26888680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 76204800

約数和(自身を除く): 49316120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 83, 89, 91, 104, 130, 140, 166, 178, 182, 260, 280, 332, 356, 364, 415, 445, 455, 520, 581, 623, 664, 712, 728, 830, 890, 910, 1079, 1157, 1162, 1246, 1660, 1780, 1820, 2158, 2314, 2324, 2492, 2905, 3115, 3320, 3560, 3640, 4316, 4628, 4648, 4984, 5395, 5785, 5810, 6230, 7387, 7553, 8099, 8632, 9256, 10790, 11570, 11620, 12460, 14774, 15106, 16198, 21580, 23140, 23240, 24920, 29548, 30212, 32396, 36935, 37765, 40495, 43160, 46280, 51709, 59096, 60424, 64792, 73870, 75530, 80990, 96031, 103418, 147740, 151060, 161980, 192062, 206836, 258545, 295480, 302120, 323960, 384124, 413672, 480155, 517090, 672217, 768248, 960310, 1034180, 1344434, 1920620, 2068360, 2688868, 3361085, 3841240, 5377736, 6722170, 13444340, 26888680]

約数ペア:

[(1, 26888680), (2, 13444340), (4, 6722170), (5, 5377736), (7, 3841240), (8, 3361085), (10, 2688868), (13, 2068360), (14, 1920620), (20, 1344434), (26, 1034180), (28, 960310), (35, 768248), (40, 672217), (52, 517090), (56, 480155), (65, 413672), (70, 384124), (83, 323960), (89, 302120), (91, 295480), (104, 258545), (130, 206836), (140, 192062), (166, 161980), (178, 151060), (182, 147740), (260, 103418), (280, 96031), (332, 80990), (356, 75530), (364, 73870), (415, 64792), (445, 60424), (455, 59096), (520, 51709), (581, 46280), (623, 43160), (664, 40495), (712, 37765), (728, 36935), (830, 32396), (890, 30212), (910, 29548), (1079, 24920), (1157, 23240), (1162, 23140), (1246, 21580), (1660, 16198), (1780, 15106), (1820, 14774), (2158, 12460), (2314, 11620), (2324, 11570), (2492, 10790), (2905, 9256), (3115, 8632), (3320, 8099), (3560, 7553), (3640, 7387), (4316, 6230), (4628, 5810), (4648, 5785), (4984, 5395)]