204628280

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{21227}}^1$

素因数の和:21479

約数の個数: 32

約数和(自身を含む): 462345840

約数和(自身を除く): 257717560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 21227, 42454, 84908, 106135, 169816, 212270, 424540, 849080, 5115707, 10231414, 20462828, 25578535, 40925656, 51157070, 102314140, 204628280]

約数ペア:

[(1, 204628280), (2, 102314140), (4, 51157070), (5, 40925656), (8, 25578535), (10, 20462828), (20, 10231414), (40, 5115707), (241, 849080), (482, 424540), (964, 212270), (1205, 169816), (1928, 106135), (2410, 84908), (4820, 42454), (9640, 21227)]