8190420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19501}}^1$

素因数の和:19520

約数の個数: 48

約数和(自身を含む): 26210688

約数和(自身を除く): 18020268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19501, 39002, 58503, 78004, 97505, 117006, 136507, 195010, 234012, 273014, 292515, 390020, 409521, 546028, 585030, 682535, 819042, 1170060, 1365070, 1638084, 2047605, 2730140, 4095210, 8190420]

約数ペア:

[(1, 8190420), (2, 4095210), (3, 2730140), (4, 2047605), (5, 1638084), (6, 1365070), (7, 1170060), (10, 819042), (12, 682535), (14, 585030), (15, 546028), (20, 409521), (21, 390020), (28, 292515), (30, 273014), (35, 234012), (42, 195010), (60, 136507), (70, 117006), (84, 97505), (105, 78004), (140, 58503), (210, 39002), (420, 19501)]