7939240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 18869760

約数和(自身を除く): 10930520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 103, 164, 188, 205, 206, 235, 328, 376, 410, 412, 470, 515, 820, 824, 940, 1030, 1640, 1880, 1927, 2060, 3854, 4120, 4223, 4841, 7708, 8446, 9635, 9682, 15416, 16892, 19270, 19364, 21115, 24205, 33784, 38540, 38728, 42230, 48410, 77080, 84460, 96820, 168920, 193640, 198481, 396962, 793924, 992405, 1587848, 1984810, 3969620, 7939240]

約数ペア:

[(1, 7939240), (2, 3969620), (4, 1984810), (5, 1587848), (8, 992405), (10, 793924), (20, 396962), (40, 198481), (41, 193640), (47, 168920), (82, 96820), (94, 84460), (103, 77080), (164, 48410), (188, 42230), (205, 38728), (206, 38540), (235, 33784), (328, 24205), (376, 21115), (410, 19364), (412, 19270), (470, 16892), (515, 15416), (820, 9682), (824, 9635), (940, 8446), (1030, 7708), (1640, 4841), (1880, 4223), (1927, 4120), (2060, 3854)]