90804580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{877}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 198245376

約数和(自身を除く): 107440796

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 835, 877, 1670, 1754, 3340, 3508, 4385, 5177, 8770, 10354, 17540, 20708, 25885, 27187, 51770, 54374, 103540, 108748, 135935, 146459, 271870, 292918, 543740, 585836, 732295, 1464590, 2929180, 4540229, 9080458, 18160916, 22701145, 45402290, 90804580]

約数ペア:

[(1, 90804580), (2, 45402290), (4, 22701145), (5, 18160916), (10, 9080458), (20, 4540229), (31, 2929180), (62, 1464590), (124, 732295), (155, 585836), (167, 543740), (310, 292918), (334, 271870), (620, 146459), (668, 135935), (835, 108748), (877, 103540), (1670, 54374), (1754, 51770), (3340, 27187), (3508, 25885), (4385, 20708), (5177, 17540), (8770, 10354)]