66814220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1129}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 153770400

約数和(自身を除く): 86956180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 269, 538, 1076, 1129, 1345, 2258, 2690, 2959, 4516, 5380, 5645, 5918, 11290, 11836, 12419, 14795, 22580, 24838, 29590, 49676, 59180, 62095, 124190, 248380, 303701, 607402, 1214804, 1518505, 3037010, 3340711, 6074020, 6681422, 13362844, 16703555, 33407110, 66814220]

約数ペア:

[(1, 66814220), (2, 33407110), (4, 16703555), (5, 13362844), (10, 6681422), (11, 6074020), (20, 3340711), (22, 3037010), (44, 1518505), (55, 1214804), (110, 607402), (220, 303701), (269, 248380), (538, 124190), (1076, 62095), (1129, 59180), (1345, 49676), (2258, 29590), (2690, 24838), (2959, 22580), (4516, 14795), (5380, 12419), (5645, 11836), (5918, 11290)]