31370120

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1201}}^1$

素因数の和:1865

約数の個数: 32

約数和(自身を含む): 70749720

約数和(自身を除く): 39379600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1201, 1306, 2402, 2612, 3265, 4804, 5224, 6005, 6530, 9608, 12010, 13060, 24020, 26120, 48040, 784253, 1568506, 3137012, 3921265, 6274024, 7842530, 15685060, 31370120]

約数ペア:

[(1, 31370120), (2, 15685060), (4, 7842530), (5, 6274024), (8, 3921265), (10, 3137012), (20, 1568506), (40, 784253), (653, 48040), (1201, 26120), (1306, 24020), (2402, 13060), (2612, 12010), (3265, 9608), (4804, 6530), (5224, 6005)]