78621160

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4691}}^1$

素因数の和:5121

約数の個数: 32

約数和(自身を含む): 177357600

約数和(自身を除く): 98736440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 4691, 8380, 9382, 16760, 18764, 23455, 37528, 46910, 93820, 187640, 1965529, 3931058, 7862116, 9827645, 15724232, 19655290, 39310580, 78621160]

約数ペア:

[(1, 78621160), (2, 39310580), (4, 19655290), (5, 15724232), (8, 9827645), (10, 7862116), (20, 3931058), (40, 1965529), (419, 187640), (838, 93820), (1676, 46910), (2095, 37528), (3352, 23455), (4190, 18764), (4691, 16760), (8380, 9382)]