42620090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 78811920

約数和(自身を除く): 36191830

約数列:

[1, 2, 5, 10, 61, 109, 122, 218, 305, 545, 610, 641, 1090, 1282, 3205, 6410, 6649, 13298, 33245, 39101, 66490, 69869, 78202, 139738, 195505, 349345, 391010, 698690, 4262009, 8524018, 21310045, 42620090]

約数ペア:

[(1, 42620090), (2, 21310045), (5, 8524018), (10, 4262009), (61, 698690), (109, 391010), (122, 349345), (218, 195505), (305, 139738), (545, 78202), (610, 69869), (641, 66490), (1090, 39101), (1282, 33245), (3205, 13298), (6410, 6649)]