78774980

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{4133}}^1$

素因数の和:5095

約数の個数: 24

約数和(自身を含む): 165641112

約数和(自身を除く): 86866132

約数列:

[1, 2, 4, 5, 10, 20, 953, 1906, 3812, 4133, 4765, 8266, 9530, 16532, 19060, 20665, 41330, 82660, 3938749, 7877498, 15754996, 19693745, 39387490, 78774980]

約数ペア:

[(1, 78774980), (2, 39387490), (4, 19693745), (5, 15754996), (10, 7877498), (20, 3938749), (953, 82660), (1906, 41330), (3812, 20665), (4133, 19060), (4765, 16532), (8266, 9530)]