156970319720

素因数分解:

$2^3\times 5^1\times {\mathrm{3924257993}}^1$

素因数の和:3924258004

約数の個数: 16

約数和(自身を含む): 353183219460

約数和(自身を除く): 196212899740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3924257993, 7848515986, 15697031972, 19621289965, 31394063944, 39242579930, 78485159860, 156970319720]

約数ペア:

[(1, 156970319720), (2, 78485159860), (4, 39242579930), (5, 31394063944), (8, 19621289965), (10, 15697031972), (20, 7848515986), (40, 3924257993)]