133660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 289296

約数和(自身を除く): 155636

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 163, 164, 205, 326, 410, 652, 815, 820, 1630, 3260, 6683, 13366, 26732, 33415, 66830, 133660]

約数ペア:

[(1, 133660), (2, 66830), (4, 33415), (5, 26732), (10, 13366), (20, 6683), (41, 3260), (82, 1630), (163, 820), (164, 815), (205, 652), (326, 410)]