72008786560

素因数分解:

$2^7\times 5^1\times {\mathrm{112513729}}^1$

素因数の和:112513748

約数の個数: 32

約数和(自身を含む): 172146006900

約数和(自身を除く): 100137220340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 112513729, 225027458, 450054916, 562568645, 900109832, 1125137290, 1800219664, 2250274580, 3600439328, 4500549160, 7200878656, 9001098320, 14401757312, 18002196640, 36004393280, 72008786560]

約数ペア:

[(1, 72008786560), (2, 36004393280), (4, 18002196640), (5, 14401757312), (8, 9001098320), (10, 7200878656), (16, 4500549160), (20, 3600439328), (32, 2250274580), (40, 1800219664), (64, 1125137290), (80, 900109832), (128, 562568645), (160, 450054916), (320, 225027458), (640, 112513729)]