201312040

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{20051}}^1$

素因数の和:20313

約数の個数: 32

約数和(自身を含む): 454779360

約数和(自身を除く): 253467320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 20051, 40102, 80204, 100255, 160408, 200510, 401020, 802040, 5032801, 10065602, 20131204, 25164005, 40262408, 50328010, 100656020, 201312040]

約数ペア:

[(1, 201312040), (2, 100656020), (4, 50328010), (5, 40262408), (8, 25164005), (10, 20131204), (20, 10065602), (40, 5032801), (251, 802040), (502, 401020), (1004, 200510), (1255, 160408), (2008, 100255), (2510, 80204), (5020, 40102), (10040, 20051)]