22280260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12517}}^1$

素因数の和:12615

約数の個数: 24

約数和(自身を含む): 47318040

約数和(自身を除く): 25037780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 12517, 25034, 50068, 62585, 125170, 250340, 1114013, 2228026, 4456052, 5570065, 11140130, 22280260]

約数ペア:

[(1, 22280260), (2, 11140130), (4, 5570065), (5, 4456052), (10, 2228026), (20, 1114013), (89, 250340), (178, 125170), (356, 62585), (445, 50068), (890, 25034), (1780, 12517)]