165826960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3889}}^1$

素因数の和:3956

約数の個数: 80

約数和(自身を含む): 425441520

約数和(自身を除く): 259614560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 3889, 4264, 5330, 7778, 8528, 10660, 15556, 19445, 21320, 31112, 38890, 42640, 50557, 62224, 77780, 101114, 155560, 159449, 202228, 252785, 311120, 318898, 404456, 505570, 637796, 797245, 808912, 1011140, 1275592, 1594490, 2022280, 2072837, 2551184, 3188980, 4044560, 4145674, 6377960, 8291348, 10364185, 12755920, 16582696, 20728370, 33165392, 41456740, 82913480, 165826960]

約数ペア:

[(1, 165826960), (2, 82913480), (4, 41456740), (5, 33165392), (8, 20728370), (10, 16582696), (13, 12755920), (16, 10364185), (20, 8291348), (26, 6377960), (40, 4145674), (41, 4044560), (52, 3188980), (65, 2551184), (80, 2072837), (82, 2022280), (104, 1594490), (130, 1275592), (164, 1011140), (205, 808912), (208, 797245), (260, 637796), (328, 505570), (410, 404456), (520, 318898), (533, 311120), (656, 252785), (820, 202228), (1040, 159449), (1066, 155560), (1640, 101114), (2132, 77780), (2665, 62224), (3280, 50557), (3889, 42640), (4264, 38890), (5330, 31112), (7778, 21320), (8528, 19445), (10660, 15556)]