25865804900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1530521}}^1$

素因数の和:1530561

約数の個数: 54

約数和(自身を含む): 60778559142

約数和(自身を除く): 34912754242

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 845, 1300, 1690, 3380, 4225, 8450, 16900, 1530521, 3061042, 6122084, 7652605, 15305210, 19896773, 30610420, 38263025, 39793546, 76526050, 79587092, 99483865, 153052100, 198967730, 258658049, 397935460, 497419325, 517316098, 994838650, 1034632196, 1293290245, 1989677300, 2586580490, 5173160980, 6466451225, 12932902450, 25865804900]

約数ペア:

[(1, 25865804900), (2, 12932902450), (4, 6466451225), (5, 5173160980), (10, 2586580490), (13, 1989677300), (20, 1293290245), (25, 1034632196), (26, 994838650), (50, 517316098), (52, 497419325), (65, 397935460), (100, 258658049), (130, 198967730), (169, 153052100), (260, 99483865), (325, 79587092), (338, 76526050), (650, 39793546), (676, 38263025), (845, 30610420), (1300, 19896773), (1690, 15305210), (3380, 7652605), (4225, 6122084), (8450, 3061042), (16900, 1530521)]