65667980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2381}}^1$

素因数の和:2594

約数の個数: 48

約数和(自身を含む): 158469696

約数和(自身を除く): 92801716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2381, 2758, 3940, 4762, 5516, 6895, 9524, 11905, 13790, 16667, 23810, 27580, 33334, 47620, 66668, 83335, 166670, 333340, 469057, 938114, 1876228, 2345285, 3283399, 4690570, 6566798, 9381140, 13133596, 16416995, 32833990, 65667980]

約数ペア:

[(1, 65667980), (2, 32833990), (4, 16416995), (5, 13133596), (7, 9381140), (10, 6566798), (14, 4690570), (20, 3283399), (28, 2345285), (35, 1876228), (70, 938114), (140, 469057), (197, 333340), (394, 166670), (788, 83335), (985, 66668), (1379, 47620), (1970, 33334), (2381, 27580), (2758, 23810), (3940, 16667), (4762, 13790), (5516, 11905), (6895, 9524)]