1311010.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1873}}^1$

素因数の和:2237

約数の個数: 32

約数和(自身を含む): 59705640

約数和(自身を除く): 33258880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 1873, 2824, 3530, 3746, 7060, 7492, 9365, 14120, 14984, 18730, 37460, 74920, 661169, 1322338, 2644676, 3305845, 5289352, 6611690, 13223380, 26446760]

約数ペア:

[(1, 26446760), (2, 13223380), (4, 6611690), (5, 5289352), (8, 3305845), (10, 2644676), (20, 1322338), (40, 661169), (353, 74920), (706, 37460), (1412, 18730), (1765, 14984), (1873, 14120), (2824, 9365), (3530, 7492), (3746, 7060)]