13568120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2081}}^1$

素因数の和:2255

約数の個数: 32

約数和(自身を含む): 30730320

約数和(自身を除く): 17162200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 2081, 3260, 4162, 6520, 8324, 10405, 16648, 20810, 41620, 83240, 339203, 678406, 1356812, 1696015, 2713624, 3392030, 6784060, 13568120]

約数ペア:

[(1, 13568120), (2, 6784060), (4, 3392030), (5, 2713624), (8, 1696015), (10, 1356812), (20, 678406), (40, 339203), (163, 83240), (326, 41620), (652, 20810), (815, 16648), (1304, 10405), (1630, 8324), (2081, 6520), (3260, 4162)]