90158540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{145417}}^1$

素因数の和:145457

約数の個数: 24

約数和(自身を含む): 195441792

約数和(自身を除く): 105283252

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 145417, 290834, 581668, 727085, 1454170, 2908340, 4507927, 9015854, 18031708, 22539635, 45079270, 90158540]

約数ペア:

[(1, 90158540), (2, 45079270), (4, 22539635), (5, 18031708), (10, 9015854), (20, 4507927), (31, 2908340), (62, 1454170), (124, 727085), (155, 581668), (310, 290834), (620, 145417)]