42802120

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9817}}^1$

素因数の和:9937

約数の個数: 32

約数和(自身を含む): 97198200

約数和(自身を除く): 54396080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9817, 19634, 39268, 49085, 78536, 98170, 196340, 392680, 1070053, 2140106, 4280212, 5350265, 8560424, 10700530, 21401060, 42802120]

約数ペア:

[(1, 42802120), (2, 21401060), (4, 10700530), (5, 8560424), (8, 5350265), (10, 4280212), (20, 2140106), (40, 1070053), (109, 392680), (218, 196340), (436, 98170), (545, 78536), (872, 49085), (1090, 39268), (2180, 19634), (4360, 9817)]