15664086820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9913979}}^1$

素因数の和:9914067

約数の個数: 24

約数和(自身を含む): 33310972800

約数和(自身を除く): 17646885980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 9913979, 19827958, 39655916, 49569895, 99139790, 198279580, 783204341, 1566408682, 3132817364, 3916021705, 7832043410, 15664086820]

約数ペア:

[(1, 15664086820), (2, 7832043410), (4, 3916021705), (5, 3132817364), (10, 1566408682), (20, 783204341), (79, 198279580), (158, 99139790), (316, 49569895), (395, 39655916), (790, 19827958), (1580, 9913979)]