21577996880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24520451}}^1$

素因数の和:24520475

約数の個数: 40

約数和(自身を含む): 54729648864

約数和(自身を除く): 33151651984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24520451, 49040902, 98081804, 122602255, 196163608, 245204510, 269724961, 392327216, 490409020, 539449922, 980818040, 1078899844, 1348624805, 1961636080, 2157799688, 2697249610, 4315599376, 5394499220, 10788998440, 21577996880]

約数ペア:

[(1, 21577996880), (2, 10788998440), (4, 5394499220), (5, 4315599376), (8, 2697249610), (10, 2157799688), (11, 1961636080), (16, 1348624805), (20, 1078899844), (22, 980818040), (40, 539449922), (44, 490409020), (55, 392327216), (80, 269724961), (88, 245204510), (110, 196163608), (176, 122602255), (220, 98081804), (440, 49040902), (880, 24520451)]