71461960

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2711}}^1$

素因数の和:3381

約数の個数: 32

約数和(自身を含む): 161092800

約数和(自身を除く): 89630840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 2711, 3295, 5272, 5422, 6590, 10844, 13180, 13555, 21688, 26360, 27110, 54220, 108440, 1786549, 3573098, 7146196, 8932745, 14292392, 17865490, 35730980, 71461960]

約数ペア:

[(1, 71461960), (2, 35730980), (4, 17865490), (5, 14292392), (8, 8932745), (10, 7146196), (20, 3573098), (40, 1786549), (659, 108440), (1318, 54220), (2636, 27110), (2711, 26360), (3295, 21688), (5272, 13555), (5422, 13180), (6590, 10844)]