2021180440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{5849}}^1$

素因数の和:6076

約数の個数: 64

約数和(自身を含む): 4662684000

約数和(自身を除く): 2641503560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 163, 212, 265, 326, 424, 530, 652, 815, 1060, 1304, 1630, 2120, 3260, 5849, 6520, 8639, 11698, 17278, 23396, 29245, 34556, 43195, 46792, 58490, 69112, 86390, 116980, 172780, 233960, 309997, 345560, 619994, 953387, 1239988, 1549985, 1906774, 2479976, 3099970, 3813548, 4766935, 6199940, 7627096, 9533870, 12399880, 19067740, 38135480, 50529511, 101059022, 202118044, 252647555, 404236088, 505295110, 1010590220, 2021180440]

約数ペア:

[(1, 2021180440), (2, 1010590220), (4, 505295110), (5, 404236088), (8, 252647555), (10, 202118044), (20, 101059022), (40, 50529511), (53, 38135480), (106, 19067740), (163, 12399880), (212, 9533870), (265, 7627096), (326, 6199940), (424, 4766935), (530, 3813548), (652, 3099970), (815, 2479976), (1060, 1906774), (1304, 1549985), (1630, 1239988), (2120, 953387), (3260, 619994), (5849, 345560), (6520, 309997), (8639, 233960), (11698, 172780), (17278, 116980), (23396, 86390), (29245, 69112), (34556, 58490), (43195, 46792)]