2920772020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1\times {\mathrm{4129}}^1$

素因数の和:4564

約数の個数: 48

約数和(自身を含む): 6209174160

約数和(自身を除く): 3288402140

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 313, 452, 565, 626, 1130, 1252, 1565, 2260, 3130, 4129, 6260, 8258, 16516, 20645, 35369, 41290, 70738, 82580, 141476, 176845, 353690, 466577, 707380, 933154, 1292377, 1866308, 2332885, 2584754, 4665770, 5169508, 6461885, 9331540, 12923770, 25847540, 146038601, 292077202, 584154404, 730193005, 1460386010, 2920772020]

約数ペア:

[(1, 2920772020), (2, 1460386010), (4, 730193005), (5, 584154404), (10, 292077202), (20, 146038601), (113, 25847540), (226, 12923770), (313, 9331540), (452, 6461885), (565, 5169508), (626, 4665770), (1130, 2584754), (1252, 2332885), (1565, 1866308), (2260, 1292377), (3130, 933154), (4129, 707380), (6260, 466577), (8258, 353690), (16516, 176845), (20645, 141476), (35369, 82580), (41290, 70738)]