12998600

素因数分解:

$2^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 30563520

約数和(自身を除く): 17564920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 200, 206, 412, 515, 631, 824, 1030, 1262, 2060, 2524, 2575, 3155, 4120, 5048, 5150, 6310, 10300, 12620, 15775, 20600, 25240, 31550, 63100, 64993, 126200, 129986, 259972, 324965, 519944, 649930, 1299860, 1624825, 2599720, 3249650, 6499300, 12998600]

約数ペア:

[(1, 12998600), (2, 6499300), (4, 3249650), (5, 2599720), (8, 1624825), (10, 1299860), (20, 649930), (25, 519944), (40, 324965), (50, 259972), (100, 129986), (103, 126200), (200, 64993), (206, 63100), (412, 31550), (515, 25240), (631, 20600), (824, 15775), (1030, 12620), (1262, 10300), (2060, 6310), (2524, 5150), (2575, 5048), (3155, 4120)]