73485520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10321}}^1$

素因数の和:10423

約数の個数: 40

約数和(自身を含む): 172790280

約数和(自身を除く): 99304760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 10321, 20642, 41284, 51605, 82568, 103210, 165136, 206420, 412840, 825680, 918569, 1837138, 3674276, 4592845, 7348552, 9185690, 14697104, 18371380, 36742760, 73485520]

約数ペア:

[(1, 73485520), (2, 36742760), (4, 18371380), (5, 14697104), (8, 9185690), (10, 7348552), (16, 4592845), (20, 3674276), (40, 1837138), (80, 918569), (89, 825680), (178, 412840), (356, 206420), (445, 165136), (712, 103210), (890, 82568), (1424, 51605), (1780, 41284), (3560, 20642), (7120, 10321)]