8157320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4339}}^1$

素因数の和:4397

約数の個数: 32

約数和(自身を含む): 18748800

約数和(自身を除く): 10591480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 4339, 8678, 17356, 21695, 34712, 43390, 86780, 173560, 203933, 407866, 815732, 1019665, 1631464, 2039330, 4078660, 8157320]

約数ペア:

[(1, 8157320), (2, 4078660), (4, 2039330), (5, 1631464), (8, 1019665), (10, 815732), (20, 407866), (40, 203933), (47, 173560), (94, 86780), (188, 43390), (235, 34712), (376, 21695), (470, 17356), (940, 8678), (1880, 4339)]