2021296120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1031}}^1\times {\mathrm{2131}}^1$

素因数の和:3196

約数の個数: 64

約数和(自身を含む): 4752483840

約数和(自身を除く): 2731187720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1031, 2062, 2131, 4124, 4262, 5155, 8248, 8524, 10310, 10655, 17048, 20620, 21310, 23713, 41240, 42620, 47426, 49013, 85240, 94852, 98026, 118565, 189704, 196052, 237130, 245065, 392104, 474260, 490130, 948520, 980260, 1960520, 2197061, 4394122, 8788244, 10985305, 17576488, 21970610, 43941220, 50532403, 87882440, 101064806, 202129612, 252662015, 404259224, 505324030, 1010648060, 2021296120]

約数ペア:

[(1, 2021296120), (2, 1010648060), (4, 505324030), (5, 404259224), (8, 252662015), (10, 202129612), (20, 101064806), (23, 87882440), (40, 50532403), (46, 43941220), (92, 21970610), (115, 17576488), (184, 10985305), (230, 8788244), (460, 4394122), (920, 2197061), (1031, 1960520), (2062, 980260), (2131, 948520), (4124, 490130), (4262, 474260), (5155, 392104), (8248, 245065), (8524, 237130), (10310, 196052), (10655, 189704), (17048, 118565), (20620, 98026), (21310, 94852), (23713, 85240), (41240, 49013), (42620, 47426)]