25247220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{857}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 70918848

約数和(自身を除く): 45671628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 857, 982, 1473, 1714, 1964, 2455, 2571, 2946, 3428, 4285, 4910, 5142, 5892, 7365, 8570, 9820, 10284, 12855, 14730, 17140, 25710, 29460, 51420, 420787, 841574, 1262361, 1683148, 2103935, 2524722, 4207870, 5049444, 6311805, 8415740, 12623610, 25247220]

約数ペア:

[(1, 25247220), (2, 12623610), (3, 8415740), (4, 6311805), (5, 5049444), (6, 4207870), (10, 2524722), (12, 2103935), (15, 1683148), (20, 1262361), (30, 841574), (60, 420787), (491, 51420), (857, 29460), (982, 25710), (1473, 17140), (1714, 14730), (1964, 12855), (2455, 10284), (2571, 9820), (2946, 8570), (3428, 7365), (4285, 5892), (4910, 5142)]