102220880

素因数分解:

$2^4\times 5^1\times {\mathrm{1277761}}^1$

素因数の和:1277774

約数の個数: 20

約数和(自身を含む): 237663732

約数和(自身を除く): 135442852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1277761, 2555522, 5111044, 6388805, 10222088, 12777610, 20444176, 25555220, 51110440, 102220880]

約数ペア:

[(1, 102220880), (2, 51110440), (4, 25555220), (5, 20444176), (8, 12777610), (10, 10222088), (16, 6388805), (20, 5111044), (40, 2555522), (80, 1277761)]