67987280

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5413}}^1$

素因数の和:5583

約数の個数: 40

約数和(自身を含む): 159106632

約数和(自身を除く): 91119352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 5413, 6280, 10826, 12560, 21652, 27065, 43304, 54130, 86608, 108260, 216520, 433040, 849841, 1699682, 3399364, 4249205, 6798728, 8498410, 13597456, 16996820, 33993640, 67987280]

約数ペア:

[(1, 67987280), (2, 33993640), (4, 16996820), (5, 13597456), (8, 8498410), (10, 6798728), (16, 4249205), (20, 3399364), (40, 1699682), (80, 849841), (157, 433040), (314, 216520), (628, 108260), (785, 86608), (1256, 54130), (1570, 43304), (2512, 27065), (3140, 21652), (5413, 12560), (6280, 10826)]