13920980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 31135104

約数和(自身を除く): 17214124

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 212, 230, 265, 460, 530, 571, 1060, 1142, 1219, 2284, 2438, 2855, 4876, 5710, 6095, 11420, 12190, 13133, 24380, 26266, 30263, 52532, 60526, 65665, 121052, 131330, 151315, 262660, 302630, 605260, 696049, 1392098, 2784196, 3480245, 6960490, 13920980]

約数ペア:

[(1, 13920980), (2, 6960490), (4, 3480245), (5, 2784196), (10, 1392098), (20, 696049), (23, 605260), (46, 302630), (53, 262660), (92, 151315), (106, 131330), (115, 121052), (212, 65665), (230, 60526), (265, 52532), (460, 30263), (530, 26266), (571, 24380), (1060, 13133), (1142, 12190), (1219, 11420), (2284, 6095), (2438, 5710), (2855, 4876)]