79650740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{306349}}^1$

素因数の和:306371

約数の個数: 24

約数和(自身を含む): 180133800

約数和(自身を除く): 100483060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 306349, 612698, 1225396, 1531745, 3063490, 3982537, 6126980, 7965074, 15930148, 19912685, 39825370, 79650740]

約数ペア:

[(1, 79650740), (2, 39825370), (4, 19912685), (5, 15930148), (10, 7965074), (13, 6126980), (20, 3982537), (26, 3063490), (52, 1531745), (65, 1225396), (130, 612698), (260, 306349)]