8247140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1$

素因数の和:2012

約数の個数: 48

約数和(自身を含む): 19897920

約数和(自身を除く): 11650780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1973, 2090, 3946, 4180, 7892, 9865, 19730, 21703, 37487, 39460, 43406, 74974, 86812, 108515, 149948, 187435, 217030, 374870, 412357, 434060, 749740, 824714, 1649428, 2061785, 4123570, 8247140]

約数ペア:

[(1, 8247140), (2, 4123570), (4, 2061785), (5, 1649428), (10, 824714), (11, 749740), (19, 434060), (20, 412357), (22, 374870), (38, 217030), (44, 187435), (55, 149948), (76, 108515), (95, 86812), (110, 74974), (190, 43406), (209, 39460), (220, 37487), (380, 21703), (418, 19730), (836, 9865), (1045, 7892), (1973, 4180), (2090, 3946)]