1917996880

素因数分解:

$2^4\times 5^1\times {\mathrm{971}}^1\times {\mathrm{24691}}^1$

素因数の和:25675

約数の個数: 40

約数和(自身を含む): 4464116064

約数和(自身を除く): 2546119184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 971, 1942, 3884, 4855, 7768, 9710, 15536, 19420, 24691, 38840, 49382, 77680, 98764, 123455, 197528, 246910, 395056, 493820, 987640, 1975280, 23974961, 47949922, 95899844, 119874805, 191799688, 239749610, 383599376, 479499220, 958998440, 1917996880]

約数ペア:

[(1, 1917996880), (2, 958998440), (4, 479499220), (5, 383599376), (8, 239749610), (10, 191799688), (16, 119874805), (20, 95899844), (40, 47949922), (80, 23974961), (971, 1975280), (1942, 987640), (3884, 493820), (4855, 395056), (7768, 246910), (9710, 197528), (15536, 123455), (19420, 98764), (24691, 77680), (38840, 49382)]