19933360

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2467}}^1$

素因数の和:2581

約数の個数: 40

約数和(自身を含む): 46822896

約数和(自身を除く): 26889536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 2467, 4040, 4934, 8080, 9868, 12335, 19736, 24670, 39472, 49340, 98680, 197360, 249167, 498334, 996668, 1245835, 1993336, 2491670, 3986672, 4983340, 9966680, 19933360]

約数ペア:

[(1, 19933360), (2, 9966680), (4, 4983340), (5, 3986672), (8, 2491670), (10, 1993336), (16, 1245835), (20, 996668), (40, 498334), (80, 249167), (101, 197360), (202, 98680), (404, 49340), (505, 39472), (808, 24670), (1010, 19736), (1616, 12335), (2020, 9868), (2467, 8080), (4040, 4934)]