8049271640

素因数分解:

$2^3\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{108131}}^1$

素因数の和:110003

約数の個数: 32

約数和(自身を含む): 18120760560

約数和(自身を除く): 10071488920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1861, 3722, 7444, 9305, 14888, 18610, 37220, 74440, 108131, 216262, 432524, 540655, 865048, 1081310, 2162620, 4325240, 201231791, 402463582, 804927164, 1006158955, 1609854328, 2012317910, 4024635820, 8049271640]

約数ペア:

[(1, 8049271640), (2, 4024635820), (4, 2012317910), (5, 1609854328), (8, 1006158955), (10, 804927164), (20, 402463582), (40, 201231791), (1861, 4325240), (3722, 2162620), (7444, 1081310), (9305, 865048), (14888, 540655), (18610, 432524), (37220, 216262), (74440, 108131)]