155709160

素因数分解:

$2^3\times 5^1\times {\mathrm{1973}}^2$

素因数の和:3957

約数の個数: 24

約数和(自身を含む): 350523270

約数和(自身を除く): 194814110

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1973, 3946, 7892, 9865, 15784, 19730, 39460, 78920, 3892729, 7785458, 15570916, 19463645, 31141832, 38927290, 77854580, 155709160]

約数ペア:

[(1, 155709160), (2, 77854580), (4, 38927290), (5, 31141832), (8, 19463645), (10, 15570916), (20, 7785458), (40, 3892729), (1973, 78920), (3946, 39460), (7892, 19730), (9865, 15784)]