129296840

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{9157}}^1$

素因数の和:9521

約数の個数: 32

約数和(自身を含む): 291773880

約数和(自身を除く): 162477040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 9157, 14120, 18314, 36628, 45785, 73256, 91570, 183140, 366280, 3232421, 6464842, 12929684, 16162105, 25859368, 32324210, 64648420, 129296840]

約数ペア:

[(1, 129296840), (2, 64648420), (4, 32324210), (5, 25859368), (8, 16162105), (10, 12929684), (20, 6464842), (40, 3232421), (353, 366280), (706, 183140), (1412, 91570), (1765, 73256), (2824, 45785), (3530, 36628), (7060, 18314), (9157, 14120)]