42472940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19483}}^1$

素因数の和:19601

約数の個数: 24

約数和(自身を含む): 90016080

約数和(自身を除く): 47543140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 19483, 38966, 77932, 97415, 194830, 389660, 2123647, 4247294, 8494588, 10618235, 21236470, 42472940]

約数ペア:

[(1, 42472940), (2, 21236470), (4, 10618235), (5, 8494588), (10, 4247294), (20, 2123647), (109, 389660), (218, 194830), (436, 97415), (545, 77932), (1090, 38966), (2180, 19483)]