87717040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 213736320

約数和(自身を除く): 126019280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 80, 82, 94, 164, 188, 205, 235, 328, 376, 410, 470, 569, 656, 752, 820, 940, 1138, 1640, 1880, 1927, 2276, 2845, 3280, 3760, 3854, 4552, 5690, 7708, 9104, 9635, 11380, 15416, 19270, 22760, 23329, 26743, 30832, 38540, 45520, 46658, 53486, 77080, 93316, 106972, 116645, 133715, 154160, 186632, 213944, 233290, 267430, 373264, 427888, 466580, 534860, 933160, 1069720, 1096463, 1866320, 2139440, 2192926, 4385852, 5482315, 8771704, 10964630, 17543408, 21929260, 43858520, 87717040]

約数ペア:

[(1, 87717040), (2, 43858520), (4, 21929260), (5, 17543408), (8, 10964630), (10, 8771704), (16, 5482315), (20, 4385852), (40, 2192926), (41, 2139440), (47, 1866320), (80, 1096463), (82, 1069720), (94, 933160), (164, 534860), (188, 466580), (205, 427888), (235, 373264), (328, 267430), (376, 233290), (410, 213944), (470, 186632), (569, 154160), (656, 133715), (752, 116645), (820, 106972), (940, 93316), (1138, 77080), (1640, 53486), (1880, 46658), (1927, 45520), (2276, 38540), (2845, 30832), (3280, 26743), (3760, 23329), (3854, 22760), (4552, 19270), (5690, 15416), (7708, 11380), (9104, 9635)]