665620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 1459584

約数和(自身を除く): 793964

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1447, 2894, 5788, 7235, 14470, 28940, 33281, 66562, 133124, 166405, 332810, 665620]

約数ペア:

[(1, 665620), (2, 332810), (4, 166405), (5, 133124), (10, 66562), (20, 33281), (23, 28940), (46, 14470), (92, 7235), (115, 5788), (230, 2894), (460, 1447)]