8111740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4457}}^1$

素因数の和:4486

約数の個数: 48

約数和(自身を含む): 20970432

約数和(自身を除く): 12858692

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4457, 8914, 17828, 22285, 31199, 44570, 57941, 62398, 89140, 115882, 124796, 155995, 231764, 289705, 311990, 405587, 579410, 623980, 811174, 1158820, 1622348, 2027935, 4055870, 8111740]

約数ペア:

[(1, 8111740), (2, 4055870), (4, 2027935), (5, 1622348), (7, 1158820), (10, 811174), (13, 623980), (14, 579410), (20, 405587), (26, 311990), (28, 289705), (35, 231764), (52, 155995), (65, 124796), (70, 115882), (91, 89140), (130, 62398), (140, 57941), (182, 44570), (260, 31199), (364, 22285), (455, 17828), (910, 8914), (1820, 4457)]