216219760

素因数分解:

$2^4\times 5^1\times {\mathrm{2702747}}^1$

素因数の和:2702760

約数の個数: 20

約数和(自身を含む): 502711128

約数和(自身を除く): 286491368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2702747, 5405494, 10810988, 13513735, 21621976, 27027470, 43243952, 54054940, 108109880, 216219760]

約数ペア:

[(1, 216219760), (2, 108109880), (4, 54054940), (5, 43243952), (8, 27027470), (10, 21621976), (16, 13513735), (20, 10810988), (40, 5405494), (80, 2702747)]