31073080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18947}}^1$

素因数の和:18999

約数の個数: 32

約数和(自身を含む): 71623440

約数和(自身を除く): 40550360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18947, 37894, 75788, 94735, 151576, 189470, 378940, 757880, 776827, 1553654, 3107308, 3884135, 6214616, 7768270, 15536540, 31073080]

約数ペア:

[(1, 31073080), (2, 15536540), (4, 7768270), (5, 6214616), (8, 3884135), (10, 3107308), (20, 1553654), (40, 776827), (41, 757880), (82, 378940), (164, 189470), (205, 151576), (328, 94735), (410, 75788), (820, 37894), (1640, 18947)]