51147980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1549}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 116659200

約数和(自身を除く): 65511220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1549, 1651, 2540, 3098, 3302, 6196, 6604, 7745, 8255, 15490, 16510, 20137, 30980, 33020, 40274, 80548, 100685, 196723, 201370, 393446, 402740, 786892, 983615, 1967230, 2557399, 3934460, 5114798, 10229596, 12786995, 25573990, 51147980]

約数ペア:

[(1, 51147980), (2, 25573990), (4, 12786995), (5, 10229596), (10, 5114798), (13, 3934460), (20, 2557399), (26, 1967230), (52, 983615), (65, 786892), (127, 402740), (130, 393446), (254, 201370), (260, 196723), (508, 100685), (635, 80548), (1270, 40274), (1549, 33020), (1651, 30980), (2540, 20137), (3098, 16510), (3302, 15490), (6196, 8255), (6604, 7745)]