12553240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 20105960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 419, 428, 535, 749, 838, 856, 1070, 1498, 1676, 2095, 2140, 2933, 2996, 3352, 3745, 4190, 4280, 5866, 5992, 7490, 8380, 11732, 14665, 14980, 16760, 23464, 29330, 29960, 44833, 58660, 89666, 117320, 179332, 224165, 313831, 358664, 448330, 627662, 896660, 1255324, 1569155, 1793320, 2510648, 3138310, 6276620, 12553240]

約数ペア:

[(1, 12553240), (2, 6276620), (4, 3138310), (5, 2510648), (7, 1793320), (8, 1569155), (10, 1255324), (14, 896660), (20, 627662), (28, 448330), (35, 358664), (40, 313831), (56, 224165), (70, 179332), (107, 117320), (140, 89666), (214, 58660), (280, 44833), (419, 29960), (428, 29330), (535, 23464), (749, 16760), (838, 14980), (856, 14665), (1070, 11732), (1498, 8380), (1676, 7490), (2095, 5992), (2140, 5866), (2933, 4280), (2996, 4190), (3352, 3745)]