319342480

素因数分解:

$2^4\times 5^1\times {\mathrm{971}}^1\times {\mathrm{4111}}^1$

素因数の和:5095

約数の個数: 40

約数和(自身を含む): 743416704

約数和(自身を除く): 424074224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 971, 1942, 3884, 4111, 4855, 7768, 8222, 9710, 15536, 16444, 19420, 20555, 32888, 38840, 41110, 65776, 77680, 82220, 164440, 328880, 3991781, 7983562, 15967124, 19958905, 31934248, 39917810, 63868496, 79835620, 159671240, 319342480]

約数ペア:

[(1, 319342480), (2, 159671240), (4, 79835620), (5, 63868496), (8, 39917810), (10, 31934248), (16, 19958905), (20, 15967124), (40, 7983562), (80, 3991781), (971, 328880), (1942, 164440), (3884, 82220), (4111, 77680), (4855, 65776), (7768, 41110), (8222, 38840), (9710, 32888), (15536, 20555), (16444, 19420)]