2139920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1163}}^1$

素因数の和:1199

約数の個数: 40

約数和(自身を含む): 5196096

約数和(自身を除く): 3056176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1163, 1840, 2326, 4652, 5815, 9304, 11630, 18608, 23260, 26749, 46520, 53498, 93040, 106996, 133745, 213992, 267490, 427984, 534980, 1069960, 2139920]

約数ペア:

[(1, 2139920), (2, 1069960), (4, 534980), (5, 427984), (8, 267490), (10, 213992), (16, 133745), (20, 106996), (23, 93040), (40, 53498), (46, 46520), (80, 26749), (92, 23260), (115, 18608), (184, 11630), (230, 9304), (368, 5815), (460, 4652), (920, 2326), (1163, 1840)]