200425420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{770867}}^1$

素因数の和:770889

約数の個数: 24

約数和(自身を含む): 453270384

約数和(自身を除く): 252844964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 770867, 1541734, 3083468, 3854335, 7708670, 10021271, 15417340, 20042542, 40085084, 50106355, 100212710, 200425420]

約数ペア:

[(1, 200425420), (2, 100212710), (4, 50106355), (5, 40085084), (10, 20042542), (13, 15417340), (20, 10021271), (26, 7708670), (52, 3854335), (65, 3083468), (130, 1541734), (260, 770867)]