159610820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{89669}}^1$

素因数の和:89767

約数の個数: 24

約数和(自身を含む): 338952600

約数和(自身を除く): 179341780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 89669, 179338, 358676, 448345, 896690, 1793380, 7980541, 15961082, 31922164, 39902705, 79805410, 159610820]

約数ペア:

[(1, 159610820), (2, 79805410), (4, 39902705), (5, 31922164), (10, 15961082), (20, 7980541), (89, 1793380), (178, 896690), (356, 448345), (445, 358676), (890, 179338), (1780, 89669)]