2017488280

素因数分解:

$2^3\times 5^1\times {\mathrm{5261}}^1\times {\mathrm{9587}}^1$

素因数の和:14859

約数の個数: 32

約数和(自身を含む): 4540685040

約数和(自身を除く): 2523196760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5261, 9587, 10522, 19174, 21044, 26305, 38348, 42088, 47935, 52610, 76696, 95870, 105220, 191740, 210440, 383480, 50437207, 100874414, 201748828, 252186035, 403497656, 504372070, 1008744140, 2017488280]

約数ペア:

[(1, 2017488280), (2, 1008744140), (4, 504372070), (5, 403497656), (8, 252186035), (10, 201748828), (20, 100874414), (40, 50437207), (5261, 383480), (9587, 210440), (10522, 191740), (19174, 105220), (21044, 95870), (26305, 76696), (38348, 52610), (42088, 47935)]