172590920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 396040320

約数和(自身を除く): 223449400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 163, 206, 257, 326, 412, 514, 515, 652, 815, 824, 1028, 1030, 1285, 1304, 1630, 2056, 2060, 2570, 3260, 4120, 5140, 6520, 10280, 16789, 26471, 33578, 41891, 52942, 67156, 83782, 83945, 105884, 132355, 134312, 167564, 167890, 209455, 211768, 264710, 335128, 335780, 418910, 529420, 671560, 837820, 1058840, 1675640, 4314773, 8629546, 17259092, 21573865, 34518184, 43147730, 86295460, 172590920]

約数ペア:

[(1, 172590920), (2, 86295460), (4, 43147730), (5, 34518184), (8, 21573865), (10, 17259092), (20, 8629546), (40, 4314773), (103, 1675640), (163, 1058840), (206, 837820), (257, 671560), (326, 529420), (412, 418910), (514, 335780), (515, 335128), (652, 264710), (815, 211768), (824, 209455), (1028, 167890), (1030, 167564), (1285, 134312), (1304, 132355), (1630, 105884), (2056, 83945), (2060, 83782), (2570, 67156), (3260, 52942), (4120, 41891), (5140, 33578), (6520, 26471), (10280, 16789)]