64068680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123209}}^1$

素因数の和:123233

約数の個数: 32

約数和(自身を含む): 155244600

約数和(自身を除く): 91175920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 123209, 246418, 492836, 616045, 985672, 1232090, 1601717, 2464180, 3203434, 4928360, 6406868, 8008585, 12813736, 16017170, 32034340, 64068680]

約数ペア:

[(1, 64068680), (2, 32034340), (4, 16017170), (5, 12813736), (8, 8008585), (10, 6406868), (13, 4928360), (20, 3203434), (26, 2464180), (40, 1601717), (52, 1232090), (65, 985672), (104, 616045), (130, 492836), (260, 246418), (520, 123209)]