25216860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{863}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 70834176

約数和(自身を除く): 45617316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 487, 863, 974, 1461, 1726, 1948, 2435, 2589, 2922, 3452, 4315, 4870, 5178, 5844, 7305, 8630, 9740, 10356, 12945, 14610, 17260, 25890, 29220, 51780, 420281, 840562, 1260843, 1681124, 2101405, 2521686, 4202810, 5043372, 6304215, 8405620, 12608430, 25216860]

約数ペア:

[(1, 25216860), (2, 12608430), (3, 8405620), (4, 6304215), (5, 5043372), (6, 4202810), (10, 2521686), (12, 2101405), (15, 1681124), (20, 1260843), (30, 840562), (60, 420281), (487, 51780), (863, 29220), (974, 25890), (1461, 17260), (1726, 14610), (1948, 12945), (2435, 10356), (2589, 9740), (2922, 8630), (3452, 7305), (4315, 5844), (4870, 5178)]