51218020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8923}}^1$

素因数の和:8980

約数の個数: 48

約数和(自身を含む): 125935488

約数和(自身を除く): 74717468

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, 8923, 17846, 35692, 44615, 62461, 89230, 124922, 178460, 249844, 312305, 365843, 624610, 731686, 1249220, 1463372, 1829215, 2560901, 3658430, 5121802, 7316860, 10243604, 12804505, 25609010, 51218020]

約数ペア:

[(1, 51218020), (2, 25609010), (4, 12804505), (5, 10243604), (7, 7316860), (10, 5121802), (14, 3658430), (20, 2560901), (28, 1829215), (35, 1463372), (41, 1249220), (70, 731686), (82, 624610), (140, 365843), (164, 312305), (205, 249844), (287, 178460), (410, 124922), (574, 89230), (820, 62461), (1148, 44615), (1435, 35692), (2870, 17846), (5740, 8923)]