12615440

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1531}}^1$

素因数の和:1647

約数の個数: 40

約数和(自身を含む): 29635008

約数和(自身を除く): 17019568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1531, 1648, 2060, 3062, 4120, 6124, 7655, 8240, 12248, 15310, 24496, 30620, 61240, 122480, 157693, 315386, 630772, 788465, 1261544, 1576930, 2523088, 3153860, 6307720, 12615440]

約数ペア:

[(1, 12615440), (2, 6307720), (4, 3153860), (5, 2523088), (8, 1576930), (10, 1261544), (16, 788465), (20, 630772), (40, 315386), (80, 157693), (103, 122480), (206, 61240), (412, 30620), (515, 24496), (824, 15310), (1030, 12248), (1531, 8240), (1648, 7655), (2060, 6124), (3062, 4120)]