61371640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1381}}^1$

素因数の和:1504

約数の個数: 64

約数和(自身を含む): 152241120

約数和(自身を除く): 90869480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 1381, 2020, 2222, 2762, 4040, 4444, 5524, 5555, 6905, 8888, 11048, 11110, 13810, 15191, 22220, 27620, 30382, 44440, 55240, 60764, 75955, 121528, 139481, 151910, 278962, 303820, 557924, 607640, 697405, 1115848, 1394810, 1534291, 2789620, 3068582, 5579240, 6137164, 7671455, 12274328, 15342910, 30685820, 61371640]

約数ペア:

[(1, 61371640), (2, 30685820), (4, 15342910), (5, 12274328), (8, 7671455), (10, 6137164), (11, 5579240), (20, 3068582), (22, 2789620), (40, 1534291), (44, 1394810), (55, 1115848), (88, 697405), (101, 607640), (110, 557924), (202, 303820), (220, 278962), (404, 151910), (440, 139481), (505, 121528), (808, 75955), (1010, 60764), (1111, 55240), (1381, 44440), (2020, 30382), (2222, 27620), (2762, 22220), (4040, 15191), (4444, 13810), (5524, 11110), (5555, 11048), (6905, 8888)]