78588040

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6277}}^1$

素因数の和:6601

約数の個数: 32

約数和(自身を含む): 177416280

約数和(自身を除く): 98828240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 6277, 12520, 12554, 25108, 31385, 50216, 62770, 125540, 251080, 1964701, 3929402, 7858804, 9823505, 15717608, 19647010, 39294020, 78588040]

約数ペア:

[(1, 78588040), (2, 39294020), (4, 19647010), (5, 15717608), (8, 9823505), (10, 7858804), (20, 3929402), (40, 1964701), (313, 251080), (626, 125540), (1252, 62770), (1565, 50216), (2504, 31385), (3130, 25108), (6260, 12554), (6277, 12520)]