90272620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{145601}}^1$

素因数の和:145641

約数の個数: 24

約数和(自身を含む): 195689088

約数和(自身を除く): 105416468

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 145601, 291202, 582404, 728005, 1456010, 2912020, 4513631, 9027262, 18054524, 22568155, 45136310, 90272620]

約数ペア:

[(1, 90272620), (2, 45136310), (4, 22568155), (5, 18054524), (10, 9027262), (20, 4513631), (31, 2912020), (62, 1456010), (124, 728005), (155, 582404), (310, 291202), (620, 145601)]