23189840

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3257}}^1$

素因数の和:3359

約数の個数: 40

約数和(自身を含む): 54538920

約数和(自身を除く): 31349080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3257, 3560, 6514, 7120, 13028, 16285, 26056, 32570, 52112, 65140, 130280, 260560, 289873, 579746, 1159492, 1449365, 2318984, 2898730, 4637968, 5797460, 11594920, 23189840]

約数ペア:

[(1, 23189840), (2, 11594920), (4, 5797460), (5, 4637968), (8, 2898730), (10, 2318984), (16, 1449365), (20, 1159492), (40, 579746), (80, 289873), (89, 260560), (178, 130280), (356, 65140), (445, 52112), (712, 32570), (890, 26056), (1424, 16285), (1780, 13028), (3257, 7120), (3560, 6514)]