4070140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11971}}^1$

素因数の和:11997

約数の個数: 24

約数和(自身を含む): 9050832

約数和(自身を除く): 4980692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 11971, 23942, 47884, 59855, 119710, 203507, 239420, 407014, 814028, 1017535, 2035070, 4070140]

約数ペア:

[(1, 4070140), (2, 2035070), (4, 1017535), (5, 814028), (10, 407014), (17, 239420), (20, 203507), (34, 119710), (68, 59855), (85, 47884), (170, 23942), (340, 11971)]