84321040

素因数分解:

$2^4\times 5^1\times {\mathrm{1054013}}^1$

素因数の和:1054026

約数の個数: 20

約数和(自身を含む): 196046604

約数和(自身を除く): 111725564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1054013, 2108026, 4216052, 5270065, 8432104, 10540130, 16864208, 21080260, 42160520, 84321040]

約数ペア:

[(1, 84321040), (2, 42160520), (4, 21080260), (5, 16864208), (8, 10540130), (10, 8432104), (16, 5270065), (20, 4216052), (40, 2108026), (80, 1054013)]