202337680

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4969}}^1$

素因数の和:5491

約数の個数: 40

約数和(自身を含む): 471454200

約数和(自身を除く): 269116520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 2036, 2545, 4072, 4969, 5090, 8144, 9938, 10180, 19876, 20360, 24845, 39752, 40720, 49690, 79504, 99380, 198760, 397520, 2529221, 5058442, 10116884, 12646105, 20233768, 25292210, 40467536, 50584420, 101168840, 202337680]

約数ペア:

[(1, 202337680), (2, 101168840), (4, 50584420), (5, 40467536), (8, 25292210), (10, 20233768), (16, 12646105), (20, 10116884), (40, 5058442), (80, 2529221), (509, 397520), (1018, 198760), (2036, 99380), (2545, 79504), (4072, 49690), (4969, 40720), (5090, 39752), (8144, 24845), (9938, 20360), (10180, 19876)]