25241840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1867}}^1$

素因数の和:1906

約数の個数: 60

約数和(自身を含む): 63582984

約数和(自身を除く): 38341144

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, 1867, 2704, 3380, 3734, 6760, 7468, 9335, 13520, 14936, 18670, 24271, 29872, 37340, 48542, 74680, 97084, 121355, 149360, 194168, 242710, 315523, 388336, 485420, 631046, 970840, 1262092, 1577615, 1941680, 2524184, 3155230, 5048368, 6310460, 12620920, 25241840]

約数ペア:

[(1, 25241840), (2, 12620920), (4, 6310460), (5, 5048368), (8, 3155230), (10, 2524184), (13, 1941680), (16, 1577615), (20, 1262092), (26, 970840), (40, 631046), (52, 485420), (65, 388336), (80, 315523), (104, 242710), (130, 194168), (169, 149360), (208, 121355), (260, 97084), (338, 74680), (520, 48542), (676, 37340), (845, 29872), (1040, 24271), (1352, 18670), (1690, 14936), (1867, 13520), (2704, 9335), (3380, 7468), (3734, 6760)]