39663664

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{40639}}^1$

素因数の和:40708

約数の個数: 20

約数和(自身を含む): 78110080

約数和(自身を除く): 38446416

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 40639, 81278, 162556, 325112, 650224, 2478979, 4957958, 9915916, 19831832, 39663664]

約数ペア:

[(1, 39663664), (2, 19831832), (4, 9915916), (8, 4957958), (16, 2478979), (61, 650224), (122, 325112), (244, 162556), (488, 81278), (976, 40639)]