2720462480

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{66809}}^1$

素因数の和:67331

約数の個数: 40

約数和(自身を含む): 6337596600

約数和(自身を除く): 3617134120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 2036, 2545, 4072, 5090, 8144, 10180, 20360, 40720, 66809, 133618, 267236, 334045, 534472, 668090, 1068944, 1336180, 2672360, 5344720, 34005781, 68011562, 136023124, 170028905, 272046248, 340057810, 544092496, 680115620, 1360231240, 2720462480]

約数ペア:

[(1, 2720462480), (2, 1360231240), (4, 680115620), (5, 544092496), (8, 340057810), (10, 272046248), (16, 170028905), (20, 136023124), (40, 68011562), (80, 34005781), (509, 5344720), (1018, 2672360), (2036, 1336180), (2545, 1068944), (4072, 668090), (5090, 534472), (8144, 334045), (10180, 267236), (20360, 133618), (40720, 66809)]