16080740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 36728832

約数和(自身を除く): 20648092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 487, 508, 635, 974, 1270, 1651, 1948, 2435, 2540, 3302, 4870, 6331, 6604, 8255, 9740, 12662, 16510, 25324, 31655, 33020, 61849, 63310, 123698, 126620, 247396, 309245, 618490, 804037, 1236980, 1608074, 3216148, 4020185, 8040370, 16080740]

約数ペア:

[(1, 16080740), (2, 8040370), (4, 4020185), (5, 3216148), (10, 1608074), (13, 1236980), (20, 804037), (26, 618490), (52, 309245), (65, 247396), (127, 126620), (130, 123698), (254, 63310), (260, 61849), (487, 33020), (508, 31655), (635, 25324), (974, 16510), (1270, 12662), (1651, 9740), (1948, 8255), (2435, 6604), (2540, 6331), (3302, 4870)]