201849040

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4957}}^1$

素因数の和:5479

約数の個数: 40

約数和(自身を含む): 470315880

約数和(自身を除く): 268466840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 2036, 2545, 4072, 4957, 5090, 8144, 9914, 10180, 19828, 20360, 24785, 39656, 40720, 49570, 79312, 99140, 198280, 396560, 2523113, 5046226, 10092452, 12615565, 20184904, 25231130, 40369808, 50462260, 100924520, 201849040]

約数ペア:

[(1, 201849040), (2, 100924520), (4, 50462260), (5, 40369808), (8, 25231130), (10, 20184904), (16, 12615565), (20, 10092452), (40, 5046226), (80, 2523113), (509, 396560), (1018, 198280), (2036, 99140), (2545, 79312), (4072, 49570), (4957, 40720), (5090, 39656), (8144, 24785), (9914, 20360), (10180, 19828)]