24912920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3821}}^1$

素因数の和:3995

約数の個数: 32

約数和(自身を含む): 56412720

約数和(自身を除く): 31499800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 3821, 6520, 7642, 15284, 19105, 30568, 38210, 76420, 152840, 622823, 1245646, 2491292, 3114115, 4982584, 6228230, 12456460, 24912920]

約数ペア:

[(1, 24912920), (2, 12456460), (4, 6228230), (5, 4982584), (8, 3114115), (10, 2491292), (20, 1245646), (40, 622823), (163, 152840), (326, 76420), (652, 38210), (815, 30568), (1304, 19105), (1630, 15284), (3260, 7642), (3821, 6520)]