17704840

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3917}}^1$

素因数の和:4041

約数の個数: 32

約数和(自身を含む): 40198680

約数和(自身を除く): 22493840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 3917, 4520, 7834, 15668, 19585, 31336, 39170, 78340, 156680, 442621, 885242, 1770484, 2213105, 3540968, 4426210, 8852420, 17704840]

約数ペア:

[(1, 17704840), (2, 8852420), (4, 4426210), (5, 3540968), (8, 2213105), (10, 1770484), (20, 885242), (40, 442621), (113, 156680), (226, 78340), (452, 39170), (565, 31336), (904, 19585), (1130, 15668), (2260, 7834), (3917, 4520)]