13310920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 34577280

約数和(自身を除く): 21266360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 347, 548, 685, 694, 959, 1096, 1370, 1388, 1735, 1918, 2429, 2740, 2776, 3470, 3836, 4795, 4858, 5480, 6940, 7672, 9590, 9716, 12145, 13880, 19180, 19432, 24290, 38360, 47539, 48580, 95078, 97160, 190156, 237695, 332773, 380312, 475390, 665546, 950780, 1331092, 1663865, 1901560, 2662184, 3327730, 6655460, 13310920]

約数ペア:

[(1, 13310920), (2, 6655460), (4, 3327730), (5, 2662184), (7, 1901560), (8, 1663865), (10, 1331092), (14, 950780), (20, 665546), (28, 475390), (35, 380312), (40, 332773), (56, 237695), (70, 190156), (137, 97160), (140, 95078), (274, 48580), (280, 47539), (347, 38360), (548, 24290), (685, 19432), (694, 19180), (959, 13880), (1096, 12145), (1370, 9716), (1388, 9590), (1735, 7672), (1918, 6940), (2429, 5480), (2740, 4858), (2776, 4795), (3470, 3836)]