79286680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{491}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 195540480

約数和(自身を除く): 116253800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 367, 440, 491, 734, 982, 1468, 1835, 1964, 2455, 2936, 3670, 3928, 4037, 4910, 5401, 7340, 8074, 9820, 10802, 14680, 16148, 19640, 20185, 21604, 27005, 32296, 40370, 43208, 54010, 80740, 108020, 161480, 180197, 216040, 360394, 720788, 900985, 1441576, 1801970, 1982167, 3603940, 3964334, 7207880, 7928668, 9910835, 15857336, 19821670, 39643340, 79286680]

約数ペア:

[(1, 79286680), (2, 39643340), (4, 19821670), (5, 15857336), (8, 9910835), (10, 7928668), (11, 7207880), (20, 3964334), (22, 3603940), (40, 1982167), (44, 1801970), (55, 1441576), (88, 900985), (110, 720788), (220, 360394), (367, 216040), (440, 180197), (491, 161480), (734, 108020), (982, 80740), (1468, 54010), (1835, 43208), (1964, 40370), (2455, 32296), (2936, 27005), (3670, 21604), (3928, 20185), (4037, 19640), (4910, 16148), (5401, 14680), (7340, 10802), (8074, 9820)]