201780080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{58657}}^1$

素因数の和:58713

約数の個数: 40

約数和(自身を含む): 480057072

約数和(自身を除く): 278276992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 58657, 117314, 234628, 293285, 469256, 586570, 938512, 1173140, 2346280, 2522251, 4692560, 5044502, 10089004, 12611255, 20178008, 25222510, 40356016, 50445020, 100890040, 201780080]

約数ペア:

[(1, 201780080), (2, 100890040), (4, 50445020), (5, 40356016), (8, 25222510), (10, 20178008), (16, 12611255), (20, 10089004), (40, 5044502), (43, 4692560), (80, 2522251), (86, 2346280), (172, 1173140), (215, 938512), (344, 586570), (430, 469256), (688, 293285), (860, 234628), (1720, 117314), (3440, 58657)]