12408880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 32140800

約数和(自身を除く): 19731920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 239, 295, 440, 472, 478, 590, 649, 880, 944, 956, 1180, 1195, 1298, 1912, 2360, 2390, 2596, 2629, 3245, 3824, 4720, 4780, 5192, 5258, 6490, 9560, 10384, 10516, 12980, 13145, 14101, 19120, 21032, 25960, 26290, 28202, 42064, 51920, 52580, 56404, 70505, 105160, 112808, 141010, 155111, 210320, 225616, 282020, 310222, 564040, 620444, 775555, 1128080, 1240888, 1551110, 2481776, 3102220, 6204440, 12408880]

約数ペア:

[(1, 12408880), (2, 6204440), (4, 3102220), (5, 2481776), (8, 1551110), (10, 1240888), (11, 1128080), (16, 775555), (20, 620444), (22, 564040), (40, 310222), (44, 282020), (55, 225616), (59, 210320), (80, 155111), (88, 141010), (110, 112808), (118, 105160), (176, 70505), (220, 56404), (236, 52580), (239, 51920), (295, 42064), (440, 28202), (472, 26290), (478, 25960), (590, 21032), (649, 19120), (880, 14101), (944, 13145), (956, 12980), (1180, 10516), (1195, 10384), (1298, 9560), (1912, 6490), (2360, 5258), (2390, 5192), (2596, 4780), (2629, 4720), (3245, 3824)]