25404080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1879}}^1$

素因数の和:1918

約数の個数: 60

約数和(自身を含む): 63991440

約数和(自身を除く): 38587360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 1879, 2704, 3380, 3758, 6760, 7516, 9395, 13520, 15032, 18790, 24427, 30064, 37580, 48854, 75160, 97708, 122135, 150320, 195416, 244270, 317551, 390832, 488540, 635102, 977080, 1270204, 1587755, 1954160, 2540408, 3175510, 5080816, 6351020, 12702040, 25404080]

約数ペア:

[(1, 25404080), (2, 12702040), (4, 6351020), (5, 5080816), (8, 3175510), (10, 2540408), (13, 1954160), (16, 1587755), (20, 1270204), (26, 977080), (40, 635102), (52, 488540), (65, 390832), (80, 317551), (104, 244270), (130, 195416), (169, 150320), (208, 122135), (260, 97708), (338, 75160), (520, 48854), (676, 37580), (845, 30064), (1040, 24427), (1352, 18790), (1690, 15032), (1879, 13520), (2704, 9395), (3380, 7516), (3758, 6760)]