12872600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4951}}^1$

素因数の和:4980

約数の個数: 48

約数和(自身を含む): 32237520

約数和(自身を除く): 19364920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 4951, 9902, 19804, 24755, 39608, 49510, 64363, 99020, 123775, 128726, 198040, 247550, 257452, 321815, 495100, 514904, 643630, 990200, 1287260, 1609075, 2574520, 3218150, 6436300, 12872600]

約数ペア:

[(1, 12872600), (2, 6436300), (4, 3218150), (5, 2574520), (8, 1609075), (10, 1287260), (13, 990200), (20, 643630), (25, 514904), (26, 495100), (40, 321815), (50, 257452), (52, 247550), (65, 198040), (100, 128726), (104, 123775), (130, 99020), (200, 64363), (260, 49510), (325, 39608), (520, 24755), (650, 19804), (1300, 9902), (2600, 4951)]