64038040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 161164080

約数和(自身を除く): 97126040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 121, 131, 202, 220, 242, 262, 404, 440, 484, 505, 524, 605, 655, 808, 968, 1010, 1048, 1111, 1210, 1310, 1441, 2020, 2222, 2420, 2620, 2882, 4040, 4444, 4840, 5240, 5555, 5764, 7205, 8888, 11110, 11528, 12221, 13231, 14410, 15851, 22220, 24442, 26462, 28820, 31702, 44440, 48884, 52924, 57640, 61105, 63404, 66155, 79255, 97768, 105848, 122210, 126808, 132310, 145541, 158510, 244420, 264620, 291082, 317020, 488840, 529240, 582164, 634040, 727705, 1164328, 1455410, 1600951, 2910820, 3201902, 5821640, 6403804, 8004755, 12807608, 16009510, 32019020, 64038040]

約数ペア:

[(1, 64038040), (2, 32019020), (4, 16009510), (5, 12807608), (8, 8004755), (10, 6403804), (11, 5821640), (20, 3201902), (22, 2910820), (40, 1600951), (44, 1455410), (55, 1164328), (88, 727705), (101, 634040), (110, 582164), (121, 529240), (131, 488840), (202, 317020), (220, 291082), (242, 264620), (262, 244420), (404, 158510), (440, 145541), (484, 132310), (505, 126808), (524, 122210), (605, 105848), (655, 97768), (808, 79255), (968, 66155), (1010, 63404), (1048, 61105), (1111, 57640), (1210, 52924), (1310, 48884), (1441, 44440), (2020, 31702), (2222, 28820), (2420, 26462), (2620, 24442), (2882, 22220), (4040, 15851), (4444, 14410), (4840, 13231), (5240, 12221), (5555, 11528), (5764, 11110), (7205, 8888)]