72042140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{887}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 157538304

約数和(自身を除く): 85496164

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 887, 1310, 1774, 2620, 3548, 4061, 4435, 8122, 8870, 16244, 17740, 20305, 27497, 40610, 54994, 81220, 109988, 116197, 137485, 232394, 274970, 464788, 549940, 580985, 1161970, 2323940, 3602107, 7204214, 14408428, 18010535, 36021070, 72042140]

約数ペア:

[(1, 72042140), (2, 36021070), (4, 18010535), (5, 14408428), (10, 7204214), (20, 3602107), (31, 2323940), (62, 1161970), (124, 580985), (131, 549940), (155, 464788), (262, 274970), (310, 232394), (524, 137485), (620, 116197), (655, 109988), (887, 81220), (1310, 54994), (1774, 40610), (2620, 27497), (3548, 20305), (4061, 17740), (4435, 16244), (8122, 8870)]