2116728020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{874681}}^1$

素因数の和:874712

約数の個数: 36

約数和(自身を含む): 4885973652

約数和(自身を除く): 2769245632

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 874681, 1749362, 3498724, 4373405, 8746810, 9621491, 17493620, 19242982, 38485964, 48107455, 96214910, 105836401, 192429820, 211672802, 423345604, 529182005, 1058364010, 2116728020]

約数ペア:

[(1, 2116728020), (2, 1058364010), (4, 529182005), (5, 423345604), (10, 211672802), (11, 192429820), (20, 105836401), (22, 96214910), (44, 48107455), (55, 38485964), (110, 19242982), (121, 17493620), (220, 9621491), (242, 8746810), (484, 4373405), (605, 3498724), (1210, 1749362), (2420, 874681)]