12891560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 32114880

約数和(自身を除く): 19223320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 220, 332, 353, 415, 440, 664, 706, 830, 913, 1412, 1660, 1765, 1826, 2824, 3320, 3530, 3652, 3883, 4565, 7060, 7304, 7766, 9130, 14120, 15532, 18260, 19415, 29299, 31064, 36520, 38830, 58598, 77660, 117196, 146495, 155320, 234392, 292990, 322289, 585980, 644578, 1171960, 1289156, 1611445, 2578312, 3222890, 6445780, 12891560]

約数ペア:

[(1, 12891560), (2, 6445780), (4, 3222890), (5, 2578312), (8, 1611445), (10, 1289156), (11, 1171960), (20, 644578), (22, 585980), (40, 322289), (44, 292990), (55, 234392), (83, 155320), (88, 146495), (110, 117196), (166, 77660), (220, 58598), (332, 38830), (353, 36520), (415, 31064), (440, 29299), (664, 19415), (706, 18260), (830, 15532), (913, 14120), (1412, 9130), (1660, 7766), (1765, 7304), (1826, 7060), (2824, 4565), (3320, 3883), (3530, 3652)]