25335280

素因数分解:

$2^4\times 5^1\times {\mathrm{316691}}^1$

素因数の和:316704

約数の個数: 20

約数和(自身を含む): 58904712

約数和(自身を除く): 33569432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 316691, 633382, 1266764, 1583455, 2533528, 3166910, 5067056, 6333820, 12667640, 25335280]

約数ペア:

[(1, 25335280), (2, 12667640), (4, 6333820), (5, 5067056), (8, 3166910), (10, 2533528), (16, 1583455), (20, 1266764), (40, 633382), (80, 316691)]