10406990140

素因数分解:

$2^2\times 5^1\times {\mathrm{520349507}}^1$

素因数の和:520349516

約数の個数: 12

約数和(自身を含む): 21854679336

約数和(自身を除く): 11447689196

約数列:

[1, 2, 4, 5, 10, 20, 520349507, 1040699014, 2081398028, 2601747535, 5203495070, 10406990140]

約数ペア:

[(1, 10406990140), (2, 5203495070), (4, 2601747535), (5, 2081398028), (10, 1040699014), (20, 520349507)]