90619240

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{9479}}^1$

素因数の和:9729

約数の個数: 32

約数和(自身を含む): 204768000

約数和(自身を除く): 114148760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9479, 9560, 18958, 37916, 47395, 75832, 94790, 189580, 379160, 2265481, 4530962, 9061924, 11327405, 18123848, 22654810, 45309620, 90619240]

約数ペア:

[(1, 90619240), (2, 45309620), (4, 22654810), (5, 18123848), (8, 11327405), (10, 9061924), (20, 4530962), (40, 2265481), (239, 379160), (478, 189580), (956, 94790), (1195, 75832), (1912, 47395), (2390, 37916), (4780, 18958), (9479, 9560)]