71009720

素因数分解:

$2^3\times 5^1\times {\mathrm{1775243}}^1$

素因数の和:1775254

約数の個数: 16

約数和(自身を含む): 159771960

約数和(自身を除く): 88762240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1775243, 3550486, 7100972, 8876215, 14201944, 17752430, 35504860, 71009720]

約数ペア:

[(1, 71009720), (2, 35504860), (4, 17752430), (5, 14201944), (8, 8876215), (10, 7100972), (20, 3550486), (40, 1775243)]