66081160

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1657}}^1$

素因数の和:2665

約数の個数: 32

約数和(自身を含む): 148921560

約数和(自身を除く): 82840400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1657, 1994, 3314, 3988, 4985, 6628, 7976, 8285, 9970, 13256, 16570, 19940, 33140, 39880, 66280, 1652029, 3304058, 6608116, 8260145, 13216232, 16520290, 33040580, 66081160]

約数ペア:

[(1, 66081160), (2, 33040580), (4, 16520290), (5, 13216232), (8, 8260145), (10, 6608116), (20, 3304058), (40, 1652029), (997, 66280), (1657, 39880), (1994, 33140), (3314, 19940), (3988, 16570), (4985, 13256), (6628, 9970), (7976, 8285)]