71764040

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{15877}}^1$

素因数の和:16001

約数の個数: 32

約数和(自身を含む): 162908280

約数和(自身を除く): 91144240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 15877, 31754, 63508, 79385, 127016, 158770, 317540, 635080, 1794101, 3588202, 7176404, 8970505, 14352808, 17941010, 35882020, 71764040]

約数ペア:

[(1, 71764040), (2, 35882020), (4, 17941010), (5, 14352808), (8, 8970505), (10, 7176404), (20, 3588202), (40, 1794101), (113, 635080), (226, 317540), (452, 158770), (565, 127016), (904, 79385), (1130, 63508), (2260, 31754), (4520, 15877)]