84757600

素因数分解:

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

素因数の和:2072

約数の個数: 72

約数和(自身を含む): 210924000

約数和(自身を除く): 126166400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 160, 200, 212, 265, 400, 424, 530, 800, 848, 1060, 1325, 1696, 1999, 2120, 2650, 3998, 4240, 5300, 7996, 8480, 9995, 10600, 15992, 19990, 21200, 31984, 39980, 42400, 49975, 63968, 79960, 99950, 105947, 159920, 199900, 211894, 319840, 399800, 423788, 529735, 799600, 847576, 1059470, 1599200, 1695152, 2118940, 2648675, 3390304, 4237880, 5297350, 8475760, 10594700, 16951520, 21189400, 42378800, 84757600]

約数ペア:

[(1, 84757600), (2, 42378800), (4, 21189400), (5, 16951520), (8, 10594700), (10, 8475760), (16, 5297350), (20, 4237880), (25, 3390304), (32, 2648675), (40, 2118940), (50, 1695152), (53, 1599200), (80, 1059470), (100, 847576), (106, 799600), (160, 529735), (200, 423788), (212, 399800), (265, 319840), (400, 211894), (424, 199900), (530, 159920), (800, 105947), (848, 99950), (1060, 79960), (1325, 63968), (1696, 49975), (1999, 42400), (2120, 39980), (2650, 31984), (3998, 21200), (4240, 19990), (5300, 15992), (7996, 10600), (8480, 9995)]