231720348040

素因数分解:

$2^3\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{2969251}}^1$

素因数の和:2971213

約数の個数: 32

約数和(自身を含む): 521638191360

約数和(自身を除く): 289917843320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1951, 3902, 7804, 9755, 15608, 19510, 39020, 78040, 2969251, 5938502, 11877004, 14846255, 23754008, 29692510, 59385020, 118770040, 5793008701, 11586017402, 23172034804, 28965043505, 46344069608, 57930087010, 115860174020, 231720348040]

約数ペア:

[(1, 231720348040), (2, 115860174020), (4, 57930087010), (5, 46344069608), (8, 28965043505), (10, 23172034804), (20, 11586017402), (40, 5793008701), (1951, 118770040), (3902, 59385020), (7804, 29692510), (9755, 23754008), (15608, 14846255), (19510, 11877004), (39020, 5938502), (78040, 2969251)]