42172040

素因数分解:

$2^3\times 5^1\times {\mathrm{1054301}}^1$

素因数の和:1054312

約数の個数: 16

約数和(自身を含む): 94887180

約数和(自身を除く): 52715140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1054301, 2108602, 4217204, 5271505, 8434408, 10543010, 21086020, 42172040]

約数ペア:

[(1, 42172040), (2, 21086020), (4, 10543010), (5, 8434408), (8, 5271505), (10, 4217204), (20, 2108602), (40, 1054301)]