202103680

素因数分解:

$2^7\times 5^1\times {\mathrm{457}}^1\times {\mathrm{691}}^1$

素因数の和:1167

約数の個数: 64

約数和(自身を含む): 484912080

約数和(自身を除く): 282808400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 457, 640, 691, 914, 1382, 1828, 2285, 2764, 3455, 3656, 4570, 5528, 6910, 7312, 9140, 11056, 13820, 14624, 18280, 22112, 27640, 29248, 36560, 44224, 55280, 58496, 73120, 88448, 110560, 146240, 221120, 292480, 315787, 442240, 631574, 1263148, 1578935, 2526296, 3157870, 5052592, 6315740, 10105184, 12631480, 20210368, 25262960, 40420736, 50525920, 101051840, 202103680]

約数ペア:

[(1, 202103680), (2, 101051840), (4, 50525920), (5, 40420736), (8, 25262960), (10, 20210368), (16, 12631480), (20, 10105184), (32, 6315740), (40, 5052592), (64, 3157870), (80, 2526296), (128, 1578935), (160, 1263148), (320, 631574), (457, 442240), (640, 315787), (691, 292480), (914, 221120), (1382, 146240), (1828, 110560), (2285, 88448), (2764, 73120), (3455, 58496), (3656, 55280), (4570, 44224), (5528, 36560), (6910, 29248), (7312, 27640), (9140, 22112), (11056, 18280), (13820, 14624)]