63220540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{40013}}^1$

素因数の和:40101

約数の個数: 24

約数和(自身を含む): 134447040

約数和(自身を除く): 71226500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 40013, 80026, 160052, 200065, 400130, 800260, 3161027, 6322054, 12644108, 15805135, 31610270, 63220540]

約数ペア:

[(1, 63220540), (2, 31610270), (4, 15805135), (5, 12644108), (10, 6322054), (20, 3161027), (79, 800260), (158, 400130), (316, 200065), (395, 160052), (790, 80026), (1580, 40013)]