39399880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4457}}^1$

素因数の和:4498

約数の個数: 64

約数和(自身を含む): 101107440

約数和(自身を除く): 61707560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 4457, 8840, 8914, 17828, 22285, 35656, 44570, 57941, 75769, 89140, 115882, 151538, 178280, 231764, 289705, 303076, 378845, 463528, 579410, 606152, 757690, 984997, 1158820, 1515380, 1969994, 2317640, 3030760, 3939988, 4924985, 7879976, 9849970, 19699940, 39399880]

約数ペア:

[(1, 39399880), (2, 19699940), (4, 9849970), (5, 7879976), (8, 4924985), (10, 3939988), (13, 3030760), (17, 2317640), (20, 1969994), (26, 1515380), (34, 1158820), (40, 984997), (52, 757690), (65, 606152), (68, 579410), (85, 463528), (104, 378845), (130, 303076), (136, 289705), (170, 231764), (221, 178280), (260, 151538), (340, 115882), (442, 89140), (520, 75769), (680, 57941), (884, 44570), (1105, 35656), (1768, 22285), (2210, 17828), (4420, 8914), (4457, 8840)]