51185680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 160

約数和(自身を含む): 149990400

約数和(自身を除く): 98804720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 80, 89, 91, 104, 112, 130, 140, 158, 178, 182, 208, 260, 280, 316, 356, 364, 395, 445, 455, 520, 553, 560, 623, 632, 712, 728, 790, 890, 910, 1027, 1040, 1106, 1157, 1246, 1264, 1424, 1456, 1580, 1780, 1820, 2054, 2212, 2314, 2492, 2765, 3115, 3160, 3560, 3640, 4108, 4424, 4628, 4984, 5135, 5530, 5785, 6230, 6320, 7031, 7120, 7189, 7280, 8099, 8216, 8848, 9256, 9968, 10270, 11060, 11570, 12460, 14062, 14378, 16198, 16432, 18512, 20540, 22120, 23140, 24920, 28124, 28756, 32396, 35155, 35945, 40495, 41080, 44240, 46280, 49217, 49840, 56248, 57512, 64792, 70310, 71890, 80990, 82160, 91403, 92560, 98434, 112496, 115024, 129584, 140620, 143780, 161980, 182806, 196868, 246085, 281240, 287560, 323960, 365612, 393736, 457015, 492170, 562480, 575120, 639821, 647920, 731224, 787472, 914030, 984340, 1279642, 1462448, 1828060, 1968680, 2559284, 3199105, 3656120, 3937360, 5118568, 6398210, 7312240, 10237136, 12796420, 25592840, 51185680]

約数ペア:

[(1, 51185680), (2, 25592840), (4, 12796420), (5, 10237136), (7, 7312240), (8, 6398210), (10, 5118568), (13, 3937360), (14, 3656120), (16, 3199105), (20, 2559284), (26, 1968680), (28, 1828060), (35, 1462448), (40, 1279642), (52, 984340), (56, 914030), (65, 787472), (70, 731224), (79, 647920), (80, 639821), (89, 575120), (91, 562480), (104, 492170), (112, 457015), (130, 393736), (140, 365612), (158, 323960), (178, 287560), (182, 281240), (208, 246085), (260, 196868), (280, 182806), (316, 161980), (356, 143780), (364, 140620), (395, 129584), (445, 115024), (455, 112496), (520, 98434), (553, 92560), (560, 91403), (623, 82160), (632, 80990), (712, 71890), (728, 70310), (790, 64792), (890, 57512), (910, 56248), (1027, 49840), (1040, 49217), (1106, 46280), (1157, 44240), (1246, 41080), (1264, 40495), (1424, 35945), (1456, 35155), (1580, 32396), (1780, 28756), (1820, 28124), (2054, 24920), (2212, 23140), (2314, 22120), (2492, 20540), (2765, 18512), (3115, 16432), (3160, 16198), (3560, 14378), (3640, 14062), (4108, 12460), (4424, 11570), (4628, 11060), (4984, 10270), (5135, 9968), (5530, 9256), (5785, 8848), (6230, 8216), (6320, 8099), (7031, 7280), (7120, 7189)]