72485660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3529}}^1$

素因数の和:3630

約数の個数: 48

約数和(自身を含む): 166051200

約数和(自身を除く): 93565540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 3529, 4108, 5135, 7058, 10270, 14116, 17645, 20540, 35290, 45877, 70580, 91754, 183508, 229385, 278791, 458770, 557582, 917540, 1115164, 1393955, 2787910, 3624283, 5575820, 7248566, 14497132, 18121415, 36242830, 72485660]

約数ペア:

[(1, 72485660), (2, 36242830), (4, 18121415), (5, 14497132), (10, 7248566), (13, 5575820), (20, 3624283), (26, 2787910), (52, 1393955), (65, 1115164), (79, 917540), (130, 557582), (158, 458770), (260, 278791), (316, 229385), (395, 183508), (790, 91754), (1027, 70580), (1580, 45877), (2054, 35290), (3529, 20540), (4108, 17645), (5135, 14116), (7058, 10270)]