13552840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 35280000

約数和(自身を除く): 21727160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 499, 679, 776, 970, 998, 1358, 1940, 1996, 2495, 2716, 3395, 3493, 3880, 3992, 4990, 5432, 6790, 6986, 9980, 13580, 13972, 17465, 19960, 27160, 27944, 34930, 48403, 69860, 96806, 139720, 193612, 242015, 338821, 387224, 484030, 677642, 968060, 1355284, 1694105, 1936120, 2710568, 3388210, 6776420, 13552840]

約数ペア:

[(1, 13552840), (2, 6776420), (4, 3388210), (5, 2710568), (7, 1936120), (8, 1694105), (10, 1355284), (14, 968060), (20, 677642), (28, 484030), (35, 387224), (40, 338821), (56, 242015), (70, 193612), (97, 139720), (140, 96806), (194, 69860), (280, 48403), (388, 34930), (485, 27944), (499, 27160), (679, 19960), (776, 17465), (970, 13972), (998, 13580), (1358, 9980), (1940, 6986), (1996, 6790), (2495, 5432), (2716, 4990), (3395, 3992), (3493, 3880)]