495760280

素因数分解:

$2^3\times 5^1\times {\mathrm{12394007}}^1$

素因数の和:12394018

約数の個数: 16

約数和(自身を含む): 1115460720

約数和(自身を除く): 619700440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12394007, 24788014, 49576028, 61970035, 99152056, 123940070, 247880140, 495760280]

約数ペア:

[(1, 495760280), (2, 247880140), (4, 123940070), (5, 99152056), (8, 61970035), (10, 49576028), (20, 24788014), (40, 12394007)]