2018777960

素因数分解:

$2^3\times 5^1\times {\mathrm{6907}}^1\times {\mathrm{7307}}^1$

素因数の和:14225

約数の個数: 32

約数和(自身を含む): 4543529760

約数和(自身を除く): 2524751800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6907, 7307, 13814, 14614, 27628, 29228, 34535, 36535, 55256, 58456, 69070, 73070, 138140, 146140, 276280, 292280, 50469449, 100938898, 201877796, 252347245, 403755592, 504694490, 1009388980, 2018777960]

約数ペア:

[(1, 2018777960), (2, 1009388980), (4, 504694490), (5, 403755592), (8, 252347245), (10, 201877796), (20, 100938898), (40, 50469449), (6907, 292280), (7307, 276280), (13814, 146140), (14614, 138140), (27628, 73070), (29228, 69070), (34535, 58456), (36535, 55256)]