25508730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65407}}^1$

素因数の和:65430

約数の個数: 32

約数和(自身を含む): 65931264

約数和(自身を除く): 40422534

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 65407, 130814, 196221, 327035, 392442, 654070, 850291, 981105, 1700582, 1962210, 2550873, 4251455, 5101746, 8502910, 12754365, 25508730]

約数ペア:

[(1, 25508730), (2, 12754365), (3, 8502910), (5, 5101746), (6, 4251455), (10, 2550873), (13, 1962210), (15, 1700582), (26, 981105), (30, 850291), (39, 654070), (65, 392442), (78, 327035), (130, 196221), (195, 130814), (390, 65407)]