1921000280

素因数分解:

$2^3\times 5^1\times {\mathrm{48025007}}^1$

素因数の和:48025018

約数の個数: 16

約数和(自身を含む): 4322250720

約数和(自身を除く): 2401250440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 48025007, 96050014, 192100028, 240125035, 384200056, 480250070, 960500140, 1921000280]

約数ペア:

[(1, 1921000280), (2, 960500140), (4, 480250070), (5, 384200056), (8, 240125035), (10, 192100028), (20, 96050014), (40, 48025007)]