849409720

素因数分解:

$2^3\times 5^1\times {\mathrm{21235243}}^1$

素因数の和:21235254

約数の個数: 16

約数和(自身を含む): 1911171960

約数和(自身を除く): 1061762240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21235243, 42470486, 84940972, 106176215, 169881944, 212352430, 424704860, 849409720]

約数ペア:

[(1, 849409720), (2, 424704860), (4, 212352430), (5, 169881944), (8, 106176215), (10, 84940972), (20, 42470486), (40, 21235243)]