99641720

素因数分解:

$2^3\times 5^1\times {\mathrm{2491043}}^1$

素因数の和:2491054

約数の個数: 16

約数和(自身を含む): 224193960

約数和(自身を除く): 124552240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2491043, 4982086, 9964172, 12455215, 19928344, 24910430, 49820860, 99641720]

約数ペア:

[(1, 99641720), (2, 49820860), (4, 24910430), (5, 19928344), (8, 12455215), (10, 9964172), (20, 4982086), (40, 2491043)]