13353320

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1999}}^1$

素因数の和:2177

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 16886680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 1999, 3340, 3998, 6680, 7996, 9995, 15992, 19990, 39980, 79960, 333833, 667666, 1335332, 1669165, 2670664, 3338330, 6676660, 13353320]

約数ペア:

[(1, 13353320), (2, 6676660), (4, 3338330), (5, 2670664), (8, 1669165), (10, 1335332), (20, 667666), (40, 333833), (167, 79960), (334, 39980), (668, 19990), (835, 15992), (1336, 9995), (1670, 7996), (1999, 6680), (3340, 3998)]