425312420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1635817}}^1$

素因数の和:1635839

約数の個数: 24

約数和(自身を含む): 961860984

約数和(自身を除く): 536548564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1635817, 3271634, 6543268, 8179085, 16358170, 21265621, 32716340, 42531242, 85062484, 106328105, 212656210, 425312420]

約数ペア:

[(1, 425312420), (2, 212656210), (4, 106328105), (5, 85062484), (10, 42531242), (13, 32716340), (20, 21265621), (26, 16358170), (52, 8179085), (65, 6543268), (130, 3271634), (260, 1635817)]