83941780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{647}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 190512000

約数和(自身を除く): 106570220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 499, 647, 998, 1294, 1996, 2495, 2588, 3235, 4990, 6470, 6487, 8411, 9980, 12940, 12974, 16822, 25948, 32435, 33644, 42055, 64870, 84110, 129740, 168220, 322853, 645706, 1291412, 1614265, 3228530, 4197089, 6457060, 8394178, 16788356, 20985445, 41970890, 83941780]

約数ペア:

[(1, 83941780), (2, 41970890), (4, 20985445), (5, 16788356), (10, 8394178), (13, 6457060), (20, 4197089), (26, 3228530), (52, 1614265), (65, 1291412), (130, 645706), (260, 322853), (499, 168220), (647, 129740), (998, 84110), (1294, 64870), (1996, 42055), (2495, 33644), (2588, 32435), (3235, 25948), (4990, 16822), (6470, 12974), (6487, 12940), (8411, 9980)]