25291240280

素因数分解:

$2^3\times 5^1\times {\mathrm{632281007}}^1$

素因数の和:632281018

約数の個数: 16

約数和(自身を含む): 56905290720

約数和(自身を除く): 31614050440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 632281007, 1264562014, 2529124028, 3161405035, 5058248056, 6322810070, 12645620140, 25291240280]

約数ペア:

[(1, 25291240280), (2, 12645620140), (4, 6322810070), (5, 5058248056), (8, 3161405035), (10, 2529124028), (20, 1264562014), (40, 632281007)]