79919090

素因数分解:

$2^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{12911}}^1$

素因数の和:13537

約数の個数: 16

約数和(自身を含む): 144097920

約数和(自身を除く): 64178830

約数列:

[1, 2, 5, 10, 619, 1238, 3095, 6190, 12911, 25822, 64555, 129110, 7991909, 15983818, 39959545, 79919090]

約数ペア:

[(1, 79919090), (2, 39959545), (5, 15983818), (10, 7991909), (619, 129110), (1238, 64555), (3095, 25822), (6190, 12911)]