86465720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4793}}^1$

素因数の和:4856

約数の個数: 64

約数和(自身を含む): 217455840

約数和(自身を除く): 130990120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 4793, 9020, 9586, 18040, 19172, 23965, 38344, 47930, 52723, 95860, 105446, 191720, 196513, 210892, 263615, 393026, 421784, 527230, 786052, 982565, 1054460, 1572104, 1965130, 2108920, 2161643, 3930260, 4323286, 7860520, 8646572, 10808215, 17293144, 21616430, 43232860, 86465720]

約数ペア:

[(1, 86465720), (2, 43232860), (4, 21616430), (5, 17293144), (8, 10808215), (10, 8646572), (11, 7860520), (20, 4323286), (22, 3930260), (40, 2161643), (41, 2108920), (44, 1965130), (55, 1572104), (82, 1054460), (88, 982565), (110, 786052), (164, 527230), (205, 421784), (220, 393026), (328, 263615), (410, 210892), (440, 196513), (451, 191720), (820, 105446), (902, 95860), (1640, 52723), (1804, 47930), (2255, 38344), (3608, 23965), (4510, 19172), (4793, 18040), (9020, 9586)]