66604240

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1987}}^1$

素因数の和:2419

約数の個数: 40

約数和(自身を含む): 155302560

約数和(自身を除く): 88698320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 1987, 2095, 3352, 3974, 4190, 6704, 7948, 8380, 9935, 15896, 16760, 19870, 31792, 33520, 39740, 79480, 158960, 832553, 1665106, 3330212, 4162765, 6660424, 8325530, 13320848, 16651060, 33302120, 66604240]

約数ペア:

[(1, 66604240), (2, 33302120), (4, 16651060), (5, 13320848), (8, 8325530), (10, 6660424), (16, 4162765), (20, 3330212), (40, 1665106), (80, 832553), (419, 158960), (838, 79480), (1676, 39740), (1987, 33520), (2095, 31792), (3352, 19870), (3974, 16760), (4190, 15896), (6704, 9935), (7948, 8380)]