25567540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1103}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 57496320

約数和(自身を除く): 31928780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1103, 1159, 1220, 2206, 2318, 4412, 4636, 5515, 5795, 11030, 11590, 20957, 22060, 23180, 41914, 67283, 83828, 104785, 134566, 209570, 269132, 336415, 419140, 672830, 1278377, 1345660, 2556754, 5113508, 6391885, 12783770, 25567540]

約数ペア:

[(1, 25567540), (2, 12783770), (4, 6391885), (5, 5113508), (10, 2556754), (19, 1345660), (20, 1278377), (38, 672830), (61, 419140), (76, 336415), (95, 269132), (122, 209570), (190, 134566), (244, 104785), (305, 83828), (380, 67283), (610, 41914), (1103, 23180), (1159, 22060), (1220, 20957), (2206, 11590), (2318, 11030), (4412, 5795), (4636, 5515)]