8889423440

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{745757}}^1$

素因数の和:745919

約数の個数: 40

約数和(自身を含む): 20806648200

約数和(自身を除く): 11917224760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 745757, 1491514, 2983028, 3728785, 5966056, 7457570, 11932112, 14915140, 29830280, 59660560, 111117793, 222235586, 444471172, 555588965, 888942344, 1111177930, 1777884688, 2222355860, 4444711720, 8889423440]

約数ペア:

[(1, 8889423440), (2, 4444711720), (4, 2222355860), (5, 1777884688), (8, 1111177930), (10, 888942344), (16, 555588965), (20, 444471172), (40, 222235586), (80, 111117793), (149, 59660560), (298, 29830280), (596, 14915140), (745, 11932112), (1192, 7457570), (1490, 5966056), (2384, 3728785), (2980, 2983028), (5960, 1491514), (11920, 745757)]