71365240

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9341}}^1$

素因数の和:9543

約数の個数: 32

約数和(自身を含む): 161429760

約数和(自身を除く): 90064520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 9341, 18682, 37364, 46705, 74728, 93410, 186820, 373640, 1784131, 3568262, 7136524, 8920655, 14273048, 17841310, 35682620, 71365240]

約数ペア:

[(1, 71365240), (2, 35682620), (4, 17841310), (5, 14273048), (8, 8920655), (10, 7136524), (20, 3568262), (40, 1784131), (191, 373640), (382, 186820), (764, 93410), (955, 74728), (1528, 46705), (1910, 37364), (3820, 18682), (7640, 9341)]