28095320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63853}}^1$

素因数の和:63875

約数の個数: 32

約数和(自身を含む): 68962320

約数和(自身を除く): 40867000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63853, 127706, 255412, 319265, 510824, 638530, 702383, 1277060, 1404766, 2554120, 2809532, 3511915, 5619064, 7023830, 14047660, 28095320]

約数ペア:

[(1, 28095320), (2, 14047660), (4, 7023830), (5, 5619064), (8, 3511915), (10, 2809532), (11, 2554120), (20, 1404766), (22, 1277060), (40, 702383), (44, 638530), (55, 510824), (88, 319265), (110, 255412), (220, 127706), (440, 63853)]