78892780

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{4793}}^1$

素因数の和:5625

約数の個数: 24

約数和(自身を含む): 165910752

約数和(自身を除く): 87017972

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 4793, 8230, 9586, 16460, 19172, 23965, 47930, 95860, 3944639, 7889278, 15778556, 19723195, 39446390, 78892780]

約数ペア:

[(1, 78892780), (2, 39446390), (4, 19723195), (5, 15778556), (10, 7889278), (20, 3944639), (823, 95860), (1646, 47930), (3292, 23965), (4115, 19172), (4793, 16460), (8230, 9586)]