13081880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2459}}^1$

素因数の和:2496

約数の個数: 64

約数和(自身を含む): 35424000

約数和(自身を除く): 22342120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2459, 2660, 4918, 5320, 9836, 12295, 17213, 19672, 24590, 34426, 46721, 49180, 68852, 86065, 93442, 98360, 137704, 172130, 186884, 233605, 327047, 344260, 373768, 467210, 654094, 688520, 934420, 1308188, 1635235, 1868840, 2616376, 3270470, 6540940, 13081880]

約数ペア:

[(1, 13081880), (2, 6540940), (4, 3270470), (5, 2616376), (7, 1868840), (8, 1635235), (10, 1308188), (14, 934420), (19, 688520), (20, 654094), (28, 467210), (35, 373768), (38, 344260), (40, 327047), (56, 233605), (70, 186884), (76, 172130), (95, 137704), (133, 98360), (140, 93442), (152, 86065), (190, 68852), (266, 49180), (280, 46721), (380, 34426), (532, 24590), (665, 19672), (760, 17213), (1064, 12295), (1330, 9836), (2459, 5320), (2660, 4918)]