10819700

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:692

約数の個数: 36

約数和(自身を含む): 23626092

約数和(自身を除く): 12806392

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 421, 514, 842, 1028, 1285, 1684, 2105, 2570, 4210, 5140, 6425, 8420, 10525, 12850, 21050, 25700, 42100, 108197, 216394, 432788, 540985, 1081970, 2163940, 2704925, 5409850, 10819700]

約数ペア:

[(1, 10819700), (2, 5409850), (4, 2704925), (5, 2163940), (10, 1081970), (20, 540985), (25, 432788), (50, 216394), (100, 108197), (257, 42100), (421, 25700), (514, 21050), (842, 12850), (1028, 10525), (1285, 8420), (1684, 6425), (2105, 5140), (2570, 4210)]