130472180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1657}}^1$

素因数の和:1824

約数の個数: 48

約数和(自身を含む): 285229056

約数和(自身を除く): 154756876

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 1657, 2540, 3314, 3937, 6628, 7874, 8285, 15748, 16570, 19685, 33140, 39370, 51367, 78740, 102734, 205468, 210439, 256835, 420878, 513670, 841756, 1027340, 1052195, 2104390, 4208780, 6523609, 13047218, 26094436, 32618045, 65236090, 130472180]

約数ペア:

[(1, 130472180), (2, 65236090), (4, 32618045), (5, 26094436), (10, 13047218), (20, 6523609), (31, 4208780), (62, 2104390), (124, 1052195), (127, 1027340), (155, 841756), (254, 513670), (310, 420878), (508, 256835), (620, 210439), (635, 205468), (1270, 102734), (1657, 78740), (2540, 51367), (3314, 39370), (3937, 33140), (6628, 19685), (7874, 16570), (8285, 15748)]