179929720

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{3517}}^1$

素因数の和:4807

約数の個数: 32

約数和(自身を含む): 405273600

約数和(自身を除く): 225343880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 2558, 3517, 5116, 6395, 7034, 10232, 12790, 14068, 17585, 25580, 28136, 35170, 51160, 70340, 140680, 4498243, 8996486, 17992972, 22491215, 35985944, 44982430, 89964860, 179929720]

約数ペア:

[(1, 179929720), (2, 89964860), (4, 44982430), (5, 35985944), (8, 22491215), (10, 17992972), (20, 8996486), (40, 4498243), (1279, 140680), (2558, 70340), (3517, 51160), (5116, 35170), (6395, 28136), (7034, 25580), (10232, 17585), (12790, 14068)]