25191660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32297}}^1$

素因数の和:32322

約数の個数: 48

約数和(自身を含む): 75964896

約数和(自身を除く): 50773236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 32297, 64594, 96891, 129188, 161485, 193782, 322970, 387564, 419861, 484455, 645940, 839722, 968910, 1259583, 1679444, 1937820, 2099305, 2519166, 4198610, 5038332, 6297915, 8397220, 12595830, 25191660]

約数ペア:

[(1, 25191660), (2, 12595830), (3, 8397220), (4, 6297915), (5, 5038332), (6, 4198610), (10, 2519166), (12, 2099305), (13, 1937820), (15, 1679444), (20, 1259583), (26, 968910), (30, 839722), (39, 645940), (52, 484455), (60, 419861), (65, 387564), (78, 322970), (130, 193782), (156, 161485), (195, 129188), (260, 96891), (390, 64594), (780, 32297)]