126344780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{154079}}^1$

素因数の和:154129

約数の個数: 24

約数和(自身を含む): 271797120

約数和(自身を除く): 145452340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 154079, 308158, 616316, 770395, 1540790, 3081580, 6317239, 12634478, 25268956, 31586195, 63172390, 126344780]

約数ペア:

[(1, 126344780), (2, 63172390), (4, 31586195), (5, 25268956), (10, 12634478), (20, 6317239), (41, 3081580), (82, 1540790), (164, 770395), (205, 616316), (410, 308158), (820, 154079)]