87451420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7907}}^1$

素因数の和:8002

約数の個数: 48

約数和(自身を含む): 212567040

約数和(自身を除く): 125115620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 7907, 11060, 15814, 31628, 39535, 55349, 79070, 110698, 158140, 221396, 276745, 553490, 624653, 1106980, 1249306, 2498612, 3123265, 4372571, 6246530, 8745142, 12493060, 17490284, 21862855, 43725710, 87451420]

約数ペア:

[(1, 87451420), (2, 43725710), (4, 21862855), (5, 17490284), (7, 12493060), (10, 8745142), (14, 6246530), (20, 4372571), (28, 3123265), (35, 2498612), (70, 1249306), (79, 1106980), (140, 624653), (158, 553490), (316, 276745), (395, 221396), (553, 158140), (790, 110698), (1106, 79070), (1580, 55349), (2212, 39535), (2765, 31628), (5530, 15814), (7907, 11060)]