17640680

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1409}}^1$

素因数の和:1733

約数の個数: 32

約数和(自身を含む): 39846600

約数和(自身を除く): 22205920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1409, 1565, 2504, 2818, 3130, 5636, 6260, 7045, 11272, 12520, 14090, 28180, 56360, 441017, 882034, 1764068, 2205085, 3528136, 4410170, 8820340, 17640680]

約数ペア:

[(1, 17640680), (2, 8820340), (4, 4410170), (5, 3528136), (8, 2205085), (10, 1764068), (20, 882034), (40, 441017), (313, 56360), (626, 28180), (1252, 14090), (1409, 12520), (1565, 11272), (2504, 7045), (2818, 6260), (3130, 5636)]