80687620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3739}}^1$

素因数の和:3844

約数の個数: 48

約数和(自身を含む): 184726080

約数和(自身を除く): 104038460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 2158, 3739, 4316, 5395, 7478, 10790, 14956, 18695, 21580, 37390, 48607, 74780, 97214, 194428, 243035, 310337, 486070, 620674, 972140, 1241348, 1551685, 3103370, 4034381, 6206740, 8068762, 16137524, 20171905, 40343810, 80687620]

約数ペア:

[(1, 80687620), (2, 40343810), (4, 20171905), (5, 16137524), (10, 8068762), (13, 6206740), (20, 4034381), (26, 3103370), (52, 1551685), (65, 1241348), (83, 972140), (130, 620674), (166, 486070), (260, 310337), (332, 243035), (415, 194428), (830, 97214), (1079, 74780), (1660, 48607), (2158, 37390), (3739, 21580), (4316, 18695), (5395, 14956), (7478, 10790)]