71300840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137117}}^1$

素因数の和:137141

約数の個数: 32

約数和(自身を含む): 172768680

約数和(自身を除く): 101467840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137117, 274234, 548468, 685585, 1096936, 1371170, 1782521, 2742340, 3565042, 5484680, 7130084, 8912605, 14260168, 17825210, 35650420, 71300840]

約数ペア:

[(1, 71300840), (2, 35650420), (4, 17825210), (5, 14260168), (8, 8912605), (10, 7130084), (13, 5484680), (20, 3565042), (26, 2742340), (40, 1782521), (52, 1371170), (65, 1096936), (104, 685585), (130, 548468), (260, 274234), (520, 137117)]