99436720

素因数分解:

$2^4\times 5^1\times {\mathrm{1242959}}^1$

素因数の和:1242972

約数の個数: 20

約数和(自身を含む): 231190560

約数和(自身を除く): 131753840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1242959, 2485918, 4971836, 6214795, 9943672, 12429590, 19887344, 24859180, 49718360, 99436720]

約数ペア:

[(1, 99436720), (2, 49718360), (4, 24859180), (5, 19887344), (8, 12429590), (10, 9943672), (16, 6214795), (20, 4971836), (40, 2485918), (80, 1242959)]