8357440

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:85

約数の個数: 168

約数和(自身を含む): 25539192

約数和(自身を除く): 17181752

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 41, 49, 52, 56, 64, 65, 70, 80, 82, 91, 98, 104, 112, 130, 140, 160, 164, 182, 196, 205, 208, 224, 245, 260, 280, 287, 320, 328, 364, 392, 410, 416, 448, 455, 490, 520, 533, 560, 574, 637, 656, 728, 784, 820, 832, 910, 980, 1040, 1066, 1120, 1148, 1274, 1312, 1435, 1456, 1568, 1640, 1820, 1960, 2009, 2080, 2132, 2240, 2296, 2548, 2624, 2665, 2870, 2912, 3136, 3185, 3280, 3640, 3731, 3920, 4018, 4160, 4264, 4592, 5096, 5330, 5740, 5824, 6370, 6560, 7280, 7462, 7840, 8036, 8528, 9184, 10045, 10192, 10660, 11480, 12740, 13120, 14560, 14924, 15680, 16072, 17056, 18368, 18655, 20090, 20384, 21320, 22960, 25480, 26117, 29120, 29848, 32144, 34112, 37310, 40180, 40768, 42640, 45920, 50960, 52234, 59696, 64288, 74620, 80360, 85280, 91840, 101920, 104468, 119392, 128576, 130585, 149240, 160720, 170560, 203840, 208936, 238784, 261170, 298480, 321440, 417872, 522340, 596960, 642880, 835744, 1044680, 1193920, 1671488, 2089360, 4178720, 8357440]

約数ペア:

[(1, 8357440), (2, 4178720), (4, 2089360), (5, 1671488), (7, 1193920), (8, 1044680), (10, 835744), (13, 642880), (14, 596960), (16, 522340), (20, 417872), (26, 321440), (28, 298480), (32, 261170), (35, 238784), (40, 208936), (41, 203840), (49, 170560), (52, 160720), (56, 149240), (64, 130585), (65, 128576), (70, 119392), (80, 104468), (82, 101920), (91, 91840), (98, 85280), (104, 80360), (112, 74620), (130, 64288), (140, 59696), (160, 52234), (164, 50960), (182, 45920), (196, 42640), (205, 40768), (208, 40180), (224, 37310), (245, 34112), (260, 32144), (280, 29848), (287, 29120), (320, 26117), (328, 25480), (364, 22960), (392, 21320), (410, 20384), (416, 20090), (448, 18655), (455, 18368), (490, 17056), (520, 16072), (533, 15680), (560, 14924), (574, 14560), (637, 13120), (656, 12740), (728, 11480), (784, 10660), (820, 10192), (832, 10045), (910, 9184), (980, 8528), (1040, 8036), (1066, 7840), (1120, 7462), (1148, 7280), (1274, 6560), (1312, 6370), (1435, 5824), (1456, 5740), (1568, 5330), (1640, 5096), (1820, 4592), (1960, 4264), (2009, 4160), (2080, 4018), (2132, 3920), (2240, 3731), (2296, 3640), (2548, 3280), (2624, 3185), (2665, 3136), (2870, 2912)]