77620660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3779}}^1$

素因数の和:3880

約数の個数: 48

約数和(自身を含む): 177811200

約数和(自身を除く): 100190540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 3779, 4108, 5135, 7558, 10270, 15116, 18895, 20540, 37790, 49127, 75580, 98254, 196508, 245635, 298541, 491270, 597082, 982540, 1194164, 1492705, 2985410, 3881033, 5970820, 7762066, 15524132, 19405165, 38810330, 77620660]

約数ペア:

[(1, 77620660), (2, 38810330), (4, 19405165), (5, 15524132), (10, 7762066), (13, 5970820), (20, 3881033), (26, 2985410), (52, 1492705), (65, 1194164), (79, 982540), (130, 597082), (158, 491270), (260, 298541), (316, 245635), (395, 196508), (790, 98254), (1027, 75580), (1580, 49127), (2054, 37790), (3779, 20540), (4108, 18895), (5135, 15116), (7558, 10270)]