8261660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 20475504

約数和(自身を除く): 12213844

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 47, 55, 68, 85, 94, 110, 170, 187, 188, 220, 235, 340, 374, 470, 517, 748, 799, 935, 940, 1034, 1598, 1870, 2068, 2209, 2585, 3196, 3740, 3995, 4418, 5170, 7990, 8789, 8836, 10340, 11045, 15980, 17578, 22090, 24299, 35156, 37553, 43945, 44180, 48598, 75106, 87890, 97196, 121495, 150212, 175780, 187765, 242990, 375530, 413083, 485980, 751060, 826166, 1652332, 2065415, 4130830, 8261660]

約数ペア:

[(1, 8261660), (2, 4130830), (4, 2065415), (5, 1652332), (10, 826166), (11, 751060), (17, 485980), (20, 413083), (22, 375530), (34, 242990), (44, 187765), (47, 175780), (55, 150212), (68, 121495), (85, 97196), (94, 87890), (110, 75106), (170, 48598), (187, 44180), (188, 43945), (220, 37553), (235, 35156), (340, 24299), (374, 22090), (470, 17578), (517, 15980), (748, 11045), (799, 10340), (935, 8836), (940, 8789), (1034, 7990), (1598, 5170), (1870, 4418), (2068, 3995), (2209, 3740), (2585, 3196)]