87754640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{23339}}^1$

素因数の和:23399

約数の個数: 40

約数和(自身を含む): 208379520

約数和(自身を除く): 120624880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 23339, 46678, 93356, 116695, 186712, 233390, 373424, 466780, 933560, 1096933, 1867120, 2193866, 4387732, 5484665, 8775464, 10969330, 17550928, 21938660, 43877320, 87754640]

約数ペア:

[(1, 87754640), (2, 43877320), (4, 21938660), (5, 17550928), (8, 10969330), (10, 8775464), (16, 5484665), (20, 4387732), (40, 2193866), (47, 1867120), (80, 1096933), (94, 933560), (188, 466780), (235, 373424), (376, 233390), (470, 186712), (752, 116695), (940, 93356), (1880, 46678), (3760, 23339)]