7880860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1783}}^1$

素因数の和:1822

約数の個数: 48

約数和(自身を含む): 18881856

約数和(自身を除く): 11000996

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 1783, 2210, 3566, 4420, 7132, 8915, 17830, 23179, 30311, 35660, 46358, 60622, 92716, 115895, 121244, 151555, 231790, 303110, 394043, 463580, 606220, 788086, 1576172, 1970215, 3940430, 7880860]

約数ペア:

[(1, 7880860), (2, 3940430), (4, 1970215), (5, 1576172), (10, 788086), (13, 606220), (17, 463580), (20, 394043), (26, 303110), (34, 231790), (52, 151555), (65, 121244), (68, 115895), (85, 92716), (130, 60622), (170, 46358), (221, 35660), (260, 30311), (340, 23179), (442, 17830), (884, 8915), (1105, 7132), (1783, 4420), (2210, 3566)]