71495560

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2521}}^1$

素因数の和:3241

約数の個数: 32

約数和(自身を含む): 161155800

約数和(自身を除く): 89660240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2521, 2836, 3545, 5042, 5672, 7090, 10084, 12605, 14180, 20168, 25210, 28360, 50420, 100840, 1787389, 3574778, 7149556, 8936945, 14299112, 17873890, 35747780, 71495560]

約数ペア:

[(1, 71495560), (2, 35747780), (4, 17873890), (5, 14299112), (8, 8936945), (10, 7149556), (20, 3574778), (40, 1787389), (709, 100840), (1418, 50420), (2521, 28360), (2836, 25210), (3545, 20168), (5042, 14180), (5672, 12605), (7090, 10084)]