25564890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65551}}^1$

素因数の和:65574

約数の個数: 32

約数和(自身を含む): 66076416

約数和(自身を除く): 40511526

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 65551, 131102, 196653, 327755, 393306, 655510, 852163, 983265, 1704326, 1966530, 2556489, 4260815, 5112978, 8521630, 12782445, 25564890]

約数ペア:

[(1, 25564890), (2, 12782445), (3, 8521630), (5, 5112978), (6, 4260815), (10, 2556489), (13, 1966530), (15, 1704326), (26, 983265), (30, 852163), (39, 655510), (65, 393306), (78, 327755), (130, 196653), (195, 131102), (390, 65551)]