71859440

素因数分解:

$2^4\times 5^1\times {\mathrm{898243}}^1$

素因数の和:898256

約数の個数: 20

約数和(自身を含む): 167073384

約数和(自身を除く): 95213944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 898243, 1796486, 3592972, 4491215, 7185944, 8982430, 14371888, 17964860, 35929720, 71859440]

約数ペア:

[(1, 71859440), (2, 35929720), (4, 17964860), (5, 14371888), (8, 8982430), (10, 7185944), (16, 4491215), (20, 3592972), (40, 1796486), (80, 898243)]