39840808

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 88387200

約数和(自身を除く): 48546392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 107, 109, 122, 214, 218, 244, 427, 428, 436, 488, 749, 763, 854, 856, 872, 1498, 1526, 1708, 2996, 3052, 3416, 5992, 6104, 6527, 6649, 11663, 13054, 13298, 23326, 26108, 26596, 45689, 46543, 46652, 52216, 53192, 81641, 91378, 93086, 93304, 163282, 182756, 186172, 326564, 365512, 372344, 653128, 711443, 1422886, 2845772, 4980101, 5691544, 9960202, 19920404, 39840808]

約数ペア:

[(1, 39840808), (2, 19920404), (4, 9960202), (7, 5691544), (8, 4980101), (14, 2845772), (28, 1422886), (56, 711443), (61, 653128), (107, 372344), (109, 365512), (122, 326564), (214, 186172), (218, 182756), (244, 163282), (427, 93304), (428, 93086), (436, 91378), (488, 81641), (749, 53192), (763, 52216), (854, 46652), (856, 46543), (872, 45689), (1498, 26596), (1526, 26108), (1708, 23326), (2996, 13298), (3052, 13054), (3416, 11663), (5992, 6649), (6104, 6527)]