71172140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{273739}}^1$

素因数の和:273761

約数の個数: 24

約数和(自身を含む): 160959120

約数和(自身を除く): 89786980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 273739, 547478, 1094956, 1368695, 2737390, 3558607, 5474780, 7117214, 14234428, 17793035, 35586070, 71172140]

約数ペア:

[(1, 71172140), (2, 35586070), (4, 17793035), (5, 14234428), (10, 7117214), (13, 5474780), (20, 3558607), (26, 2737390), (52, 1368695), (65, 1094956), (130, 547478), (260, 273739)]