12531320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 30093120

約数和(自身を除く): 17561800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 184, 212, 230, 257, 265, 424, 460, 514, 530, 920, 1028, 1060, 1219, 1285, 2056, 2120, 2438, 2570, 4876, 5140, 5911, 6095, 9752, 10280, 11822, 12190, 13621, 23644, 24380, 27242, 29555, 47288, 48760, 54484, 59110, 68105, 108968, 118220, 136210, 236440, 272420, 313283, 544840, 626566, 1253132, 1566415, 2506264, 3132830, 6265660, 12531320]

約数ペア:

[(1, 12531320), (2, 6265660), (4, 3132830), (5, 2506264), (8, 1566415), (10, 1253132), (20, 626566), (23, 544840), (40, 313283), (46, 272420), (53, 236440), (92, 136210), (106, 118220), (115, 108968), (184, 68105), (212, 59110), (230, 54484), (257, 48760), (265, 47288), (424, 29555), (460, 27242), (514, 24380), (530, 23644), (920, 13621), (1028, 12190), (1060, 11822), (1219, 10280), (1285, 9752), (2056, 6095), (2120, 5911), (2438, 5140), (2570, 4876)]