80098840

素因数分解:

$2^3\times 5^1\times {\mathrm{2002471}}^1$

素因数の和:2002482

約数の個数: 16

約数和(自身を含む): 180222480

約数和(自身を除く): 100123640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2002471, 4004942, 8009884, 10012355, 16019768, 20024710, 40049420, 80098840]

約数ペア:

[(1, 80098840), (2, 40049420), (4, 20024710), (5, 16019768), (8, 10012355), (10, 8009884), (20, 4004942), (40, 2002471)]