42130820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23669}}^1$

素因数の和:23767

約数の個数: 24

約数和(自身を含む): 89472600

約数和(自身を除く): 47341780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 23669, 47338, 94676, 118345, 236690, 473380, 2106541, 4213082, 8426164, 10532705, 21065410, 42130820]

約数ペア:

[(1, 42130820), (2, 21065410), (4, 10532705), (5, 8426164), (10, 4213082), (20, 2106541), (89, 473380), (178, 236690), (356, 118345), (445, 94676), (890, 47338), (1780, 23669)]