11145249680

素因数分解:

$2^4\times 5^1\times {\mathrm{139315621}}^1$

素因数の和:139315634

約数の個数: 20

約数和(自身を含む): 25912705692

約数和(自身を除く): 14767456012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139315621, 278631242, 557262484, 696578105, 1114524968, 1393156210, 2229049936, 2786312420, 5572624840, 11145249680]

約数ペア:

[(1, 11145249680), (2, 5572624840), (4, 2786312420), (5, 2229049936), (8, 1393156210), (10, 1114524968), (16, 696578105), (20, 557262484), (40, 278631242), (80, 139315621)]