25431640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48907}}^1$

素因数の和:48931

約数の個数: 32

約数和(自身を含む): 61624080

約数和(自身を除く): 36192440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 48907, 97814, 195628, 244535, 391256, 489070, 635791, 978140, 1271582, 1956280, 2543164, 3178955, 5086328, 6357910, 12715820, 25431640]

約数ペア:

[(1, 25431640), (2, 12715820), (4, 6357910), (5, 5086328), (8, 3178955), (10, 2543164), (13, 1956280), (20, 1271582), (26, 978140), (40, 635791), (52, 489070), (65, 391256), (104, 244535), (130, 195628), (260, 97814), (520, 48907)]