79631020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13873}}^1$

素因数の和:13930

約数の個数: 48

約数和(自身を含む): 195789888

約数和(自身を除く): 116158868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 13873, 27746, 55492, 69365, 97111, 138730, 194222, 277460, 388444, 485555, 568793, 971110, 1137586, 1942220, 2275172, 2843965, 3981551, 5687930, 7963102, 11375860, 15926204, 19907755, 39815510, 79631020]

約数ペア:

[(1, 79631020), (2, 39815510), (4, 19907755), (5, 15926204), (7, 11375860), (10, 7963102), (14, 5687930), (20, 3981551), (28, 2843965), (35, 2275172), (41, 1942220), (70, 1137586), (82, 971110), (140, 568793), (164, 485555), (205, 388444), (287, 277460), (410, 194222), (574, 138730), (820, 97111), (1148, 69365), (1435, 55492), (2870, 27746), (5740, 13873)]