130891640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{297481}}^1$

素因数の和:297503

約数の個数: 32

約数和(自身を含む): 321280560

約数和(自身を除く): 190388920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 297481, 594962, 1189924, 1487405, 2379848, 2974810, 3272291, 5949620, 6544582, 11899240, 13089164, 16361455, 26178328, 32722910, 65445820, 130891640]

約数ペア:

[(1, 130891640), (2, 65445820), (4, 32722910), (5, 26178328), (8, 16361455), (10, 13089164), (11, 11899240), (20, 6544582), (22, 5949620), (40, 3272291), (44, 2974810), (55, 2379848), (88, 1487405), (110, 1189924), (220, 594962), (440, 297481)]