1604082640

素因数分解:

$2^4\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{17123}}^1$

素因数の和:18307

約数の個数: 40

約数和(自身を含む): 3732895008

約数和(自身を除く): 2128812368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1171, 2342, 4684, 5855, 9368, 11710, 17123, 18736, 23420, 34246, 46840, 68492, 85615, 93680, 136984, 171230, 273968, 342460, 684920, 1369840, 20051033, 40102066, 80204132, 100255165, 160408264, 200510330, 320816528, 401020660, 802041320, 1604082640]

約数ペア:

[(1, 1604082640), (2, 802041320), (4, 401020660), (5, 320816528), (8, 200510330), (10, 160408264), (16, 100255165), (20, 80204132), (40, 40102066), (80, 20051033), (1171, 1369840), (2342, 684920), (4684, 342460), (5855, 273968), (9368, 171230), (11710, 136984), (17123, 93680), (18736, 85615), (23420, 68492), (34246, 46840)]