16742840

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1877}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 37860480

約数和(自身を除く): 21117640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 1877, 2230, 3754, 4460, 7508, 8920, 9385, 15016, 18770, 37540, 75080, 418571, 837142, 1674284, 2092855, 3348568, 4185710, 8371420, 16742840]

約数ペア:

[(1, 16742840), (2, 8371420), (4, 4185710), (5, 3348568), (8, 2092855), (10, 1674284), (20, 837142), (40, 418571), (223, 75080), (446, 37540), (892, 18770), (1115, 15016), (1784, 9385), (1877, 8920), (2230, 7508), (3754, 4460)]