8230640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 21427200

約数和(自身を除く): 13196560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 199, 220, 235, 376, 398, 440, 470, 517, 752, 796, 880, 940, 995, 1034, 1592, 1880, 1990, 2068, 2189, 2585, 3184, 3760, 3980, 4136, 4378, 5170, 7960, 8272, 8756, 9353, 10340, 10945, 15920, 17512, 18706, 20680, 21890, 35024, 37412, 41360, 43780, 46765, 74824, 87560, 93530, 102883, 149648, 175120, 187060, 205766, 374120, 411532, 514415, 748240, 823064, 1028830, 1646128, 2057660, 4115320, 8230640]

約数ペア:

[(1, 8230640), (2, 4115320), (4, 2057660), (5, 1646128), (8, 1028830), (10, 823064), (11, 748240), (16, 514415), (20, 411532), (22, 374120), (40, 205766), (44, 187060), (47, 175120), (55, 149648), (80, 102883), (88, 93530), (94, 87560), (110, 74824), (176, 46765), (188, 43780), (199, 41360), (220, 37412), (235, 35024), (376, 21890), (398, 20680), (440, 18706), (470, 17512), (517, 15920), (752, 10945), (796, 10340), (880, 9353), (940, 8756), (995, 8272), (1034, 7960), (1592, 5170), (1880, 4378), (1990, 4136), (2068, 3980), (2189, 3760), (2585, 3184)]