980788840

素因数分解:

$2^3\times 5^1\times {\mathrm{24519721}}^1$

素因数の和:24519732

約数の個数: 16

約数和(自身を含む): 2206774980

約数和(自身を除く): 1225986140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 24519721, 49039442, 98078884, 122598605, 196157768, 245197210, 490394420, 980788840]

約数ペア:

[(1, 980788840), (2, 490394420), (4, 245197210), (5, 196157768), (8, 122598605), (10, 98078884), (20, 49039442), (40, 24519721)]