2017485320

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{161141}}^1$

素因数の和:161465

約数の個数: 32

約数和(自身を含む): 4553872920

約数和(自身を除く): 2536387600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 161141, 322282, 644564, 805705, 1289128, 1611410, 3222820, 6445640, 50437133, 100874266, 201748532, 252185665, 403497064, 504371330, 1008742660, 2017485320]

約数ペア:

[(1, 2017485320), (2, 1008742660), (4, 504371330), (5, 403497064), (8, 252185665), (10, 201748532), (20, 100874266), (40, 50437133), (313, 6445640), (626, 3222820), (1252, 1611410), (1565, 1289128), (2504, 805705), (3130, 644564), (6260, 322282), (12520, 161141)]