91995920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 223914240

約数和(自身を除く): 131918320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 569, 688, 752, 860, 940, 1138, 1720, 1880, 2021, 2276, 2845, 3440, 3760, 4042, 4552, 5690, 8084, 9104, 10105, 11380, 16168, 20210, 22760, 24467, 26743, 32336, 40420, 45520, 48934, 53486, 80840, 97868, 106972, 122335, 133715, 161680, 195736, 213944, 244670, 267430, 391472, 427888, 489340, 534860, 978680, 1069720, 1149949, 1957360, 2139440, 2299898, 4599796, 5749745, 9199592, 11499490, 18399184, 22998980, 45997960, 91995920]

約数ペア:

[(1, 91995920), (2, 45997960), (4, 22998980), (5, 18399184), (8, 11499490), (10, 9199592), (16, 5749745), (20, 4599796), (40, 2299898), (43, 2139440), (47, 1957360), (80, 1149949), (86, 1069720), (94, 978680), (172, 534860), (188, 489340), (215, 427888), (235, 391472), (344, 267430), (376, 244670), (430, 213944), (470, 195736), (569, 161680), (688, 133715), (752, 122335), (860, 106972), (940, 97868), (1138, 80840), (1720, 53486), (1880, 48934), (2021, 45520), (2276, 40420), (2845, 32336), (3440, 26743), (3760, 24467), (4042, 22760), (4552, 20210), (5690, 16168), (8084, 11380), (9104, 10105)]