25441840

素因数分解:

$2^4\times 5^1\times {\mathrm{318023}}^1$

素因数の和:318036

約数の個数: 20

約数和(自身を含む): 59152464

約数和(自身を除く): 33710624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 318023, 636046, 1272092, 1590115, 2544184, 3180230, 5088368, 6360460, 12720920, 25441840]

約数ペア:

[(1, 25441840), (2, 12720920), (4, 6360460), (5, 5088368), (8, 3180230), (10, 2544184), (16, 1590115), (20, 1272092), (40, 636046), (80, 318023)]