42378800

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2070

約数の個数: 60

約数和(自身を含む): 103788000

約数和(自身を除く): 61409200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 1060, 1325, 1999, 2120, 2650, 3998, 4240, 5300, 7996, 9995, 10600, 15992, 19990, 21200, 31984, 39980, 49975, 79960, 99950, 105947, 159920, 199900, 211894, 399800, 423788, 529735, 799600, 847576, 1059470, 1695152, 2118940, 2648675, 4237880, 5297350, 8475760, 10594700, 21189400, 42378800]

約数ペア:

[(1, 42378800), (2, 21189400), (4, 10594700), (5, 8475760), (8, 5297350), (10, 4237880), (16, 2648675), (20, 2118940), (25, 1695152), (40, 1059470), (50, 847576), (53, 799600), (80, 529735), (100, 423788), (106, 399800), (200, 211894), (212, 199900), (265, 159920), (400, 105947), (424, 99950), (530, 79960), (848, 49975), (1060, 39980), (1325, 31984), (1999, 21200), (2120, 19990), (2650, 15992), (3998, 10600), (4240, 9995), (5300, 7996)]