211976560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{64627}}^1$

素因数の和:64681

約数の個数: 40

約数和(自身を含む): 504873936

約数和(自身を除く): 292897376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 64627, 129254, 258508, 323135, 517016, 646270, 1034032, 1292540, 2585080, 2649707, 5170160, 5299414, 10598828, 13248535, 21197656, 26497070, 42395312, 52994140, 105988280, 211976560]

約数ペア:

[(1, 211976560), (2, 105988280), (4, 52994140), (5, 42395312), (8, 26497070), (10, 21197656), (16, 13248535), (20, 10598828), (40, 5299414), (41, 5170160), (80, 2649707), (82, 2585080), (164, 1292540), (205, 1034032), (328, 646270), (410, 517016), (656, 323135), (820, 258508), (1640, 129254), (3280, 64627)]