142019440

素因数分解:

$2^4\times 5^1\times {\mathrm{1775243}}^1$

素因数の和:1775256

約数の個数: 20

約数和(自身を含む): 330195384

約数和(自身を除く): 188175944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1775243, 3550486, 7100972, 8876215, 14201944, 17752430, 28403888, 35504860, 71009720, 142019440]

約数ペア:

[(1, 142019440), (2, 71009720), (4, 35504860), (5, 28403888), (8, 17752430), (10, 14201944), (16, 8876215), (20, 7100972), (40, 3550486), (80, 1775243)]