99871880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67481}}^1$

素因数の和:67529

約数の個数: 32

約数和(自身を含む): 230788440

約数和(自身を除く): 130916560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 67481, 134962, 269924, 337405, 539848, 674810, 1349620, 2496797, 2699240, 4993594, 9987188, 12483985, 19974376, 24967970, 49935940, 99871880]

約数ペア:

[(1, 99871880), (2, 49935940), (4, 24967970), (5, 19974376), (8, 12483985), (10, 9987188), (20, 4993594), (37, 2699240), (40, 2496797), (74, 1349620), (148, 674810), (185, 539848), (296, 337405), (370, 269924), (740, 134962), (1480, 67481)]