85940660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7687}}^1$

素因数の和:7752

約数の個数: 48

約数和(自身を含む): 198903936

約数和(自身を除く): 112963276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 7687, 11180, 15374, 30748, 38435, 76870, 99931, 153740, 199862, 330541, 399724, 499655, 661082, 999310, 1322164, 1652705, 1998620, 3305410, 4297033, 6610820, 8594066, 17188132, 21485165, 42970330, 85940660]

約数ペア:

[(1, 85940660), (2, 42970330), (4, 21485165), (5, 17188132), (10, 8594066), (13, 6610820), (20, 4297033), (26, 3305410), (43, 1998620), (52, 1652705), (65, 1322164), (86, 999310), (130, 661082), (172, 499655), (215, 399724), (260, 330541), (430, 199862), (559, 153740), (860, 99931), (1118, 76870), (2236, 38435), (2795, 30748), (5590, 15374), (7687, 11180)]