66735740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{46997}}^1$

素因数の和:47077

約数の個数: 24

約数和(自身を含む): 142121952

約数和(自身を除く): 75386212

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 46997, 93994, 187988, 234985, 469970, 939940, 3336787, 6673574, 13347148, 16683935, 33367870, 66735740]

約数ペア:

[(1, 66735740), (2, 33367870), (4, 16683935), (5, 13347148), (10, 6673574), (20, 3336787), (71, 939940), (142, 469970), (284, 234985), (355, 187988), (710, 93994), (1420, 46997)]