71348680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137209}}^1$

素因数の和:137233

約数の個数: 32

約数和(自身を含む): 172884600

約数和(自身を除く): 101535920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137209, 274418, 548836, 686045, 1097672, 1372090, 1783717, 2744180, 3567434, 5488360, 7134868, 8918585, 14269736, 17837170, 35674340, 71348680]

約数ペア:

[(1, 71348680), (2, 35674340), (4, 17837170), (5, 14269736), (8, 8918585), (10, 7134868), (13, 5488360), (20, 3567434), (26, 2744180), (40, 1783717), (52, 1372090), (65, 1097672), (104, 686045), (130, 548836), (260, 274418), (520, 137209)]