31668040

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1279}}^1$

素因数の和:1909

約数の個数: 32

約数和(自身を含む): 71424000

約数和(自身を除く): 39755960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 1279, 2476, 2558, 3095, 4952, 5116, 6190, 6395, 10232, 12380, 12790, 24760, 25580, 51160, 791701, 1583402, 3166804, 3958505, 6333608, 7917010, 15834020, 31668040]

約数ペア:

[(1, 31668040), (2, 15834020), (4, 7917010), (5, 6333608), (8, 3958505), (10, 3166804), (20, 1583402), (40, 791701), (619, 51160), (1238, 25580), (1279, 24760), (2476, 12790), (2558, 12380), (3095, 10232), (4952, 6395), (5116, 6190)]