63121720

素因数分解:

$2^3\times 5^1\times {\mathrm{1578043}}^1$

素因数の和:1578054

約数の個数: 16

約数和(自身を含む): 142023960

約数和(自身を除く): 78902240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1578043, 3156086, 6312172, 7890215, 12624344, 15780430, 31560860, 63121720]

約数ペア:

[(1, 63121720), (2, 31560860), (4, 15780430), (5, 12624344), (8, 7890215), (10, 6312172), (20, 3156086), (40, 1578043)]