65464420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9949}}^1$

素因数の和:10012

約数の個数: 48

約数和(自身を含む): 160473600

約数和(自身を除く): 95009180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 9949, 19898, 39796, 49745, 69643, 99490, 139286, 198980, 278572, 348215, 467603, 696430, 935206, 1392860, 1870412, 2338015, 3273221, 4676030, 6546442, 9352060, 13092884, 16366105, 32732210, 65464420]

約数ペア:

[(1, 65464420), (2, 32732210), (4, 16366105), (5, 13092884), (7, 9352060), (10, 6546442), (14, 4676030), (20, 3273221), (28, 2338015), (35, 1870412), (47, 1392860), (70, 935206), (94, 696430), (140, 467603), (188, 348215), (235, 278572), (329, 198980), (470, 139286), (658, 99490), (940, 69643), (1316, 49745), (1645, 39796), (3290, 19898), (6580, 9949)]