66064540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{41813}}^1$

素因数の和:41901

約数の個数: 24

約数和(自身を含む): 140495040

約数和(自身を除く): 74430500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 41813, 83626, 167252, 209065, 418130, 836260, 3303227, 6606454, 13212908, 16516135, 33032270, 66064540]

約数ペア:

[(1, 66064540), (2, 33032270), (4, 16516135), (5, 13212908), (10, 6606454), (20, 3303227), (79, 836260), (158, 418130), (316, 209065), (395, 167252), (790, 83626), (1580, 41813)]