87170920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2311}}^1$

素因数の和:2386

約数の個数: 64

約数和(自身を含む): 209744640

約数和(自身を除く): 122573720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 920, 943, 1640, 1886, 2311, 3772, 4622, 4715, 7544, 9244, 9430, 11555, 18488, 18860, 23110, 37720, 46220, 53153, 92440, 94751, 106306, 189502, 212612, 265765, 379004, 425224, 473755, 531530, 758008, 947510, 1063060, 1895020, 2126120, 2179273, 3790040, 4358546, 8717092, 10896365, 17434184, 21792730, 43585460, 87170920]

約数ペア:

[(1, 87170920), (2, 43585460), (4, 21792730), (5, 17434184), (8, 10896365), (10, 8717092), (20, 4358546), (23, 3790040), (40, 2179273), (41, 2126120), (46, 1895020), (82, 1063060), (92, 947510), (115, 758008), (164, 531530), (184, 473755), (205, 425224), (230, 379004), (328, 265765), (410, 212612), (460, 189502), (820, 106306), (920, 94751), (943, 92440), (1640, 53153), (1886, 46220), (2311, 37720), (3772, 23110), (4622, 18860), (4715, 18488), (7544, 11555), (9244, 9430)]