2021085980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{84991}}^1$

素因数の和:85070

約数の個数: 48

約数和(自身を含む): 4497776640

約数和(自身を除く): 2476690660

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 2378, 4756, 5945, 11890, 23780, 84991, 169982, 339964, 424955, 849910, 1699820, 2464739, 3484631, 4929478, 6969262, 9858956, 12323695, 13938524, 17423155, 24647390, 34846310, 49294780, 69692620, 101054299, 202108598, 404217196, 505271495, 1010542990, 2021085980]

約数ペア:

[(1, 2021085980), (2, 1010542990), (4, 505271495), (5, 404217196), (10, 202108598), (20, 101054299), (29, 69692620), (41, 49294780), (58, 34846310), (82, 24647390), (116, 17423155), (145, 13938524), (164, 12323695), (205, 9858956), (290, 6969262), (410, 4929478), (580, 3484631), (820, 2464739), (1189, 1699820), (2378, 849910), (4756, 424955), (5945, 339964), (11890, 169982), (23780, 84991)]