66366800

素因数分解:

$2^4\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1999}}^1$

素因数の和:2100

約数の個数: 60

約数和(自身を含む): 161448000

約数和(自身を除く): 95081200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 83, 100, 166, 200, 332, 400, 415, 664, 830, 1328, 1660, 1999, 2075, 3320, 3998, 4150, 6640, 7996, 8300, 9995, 15992, 16600, 19990, 31984, 33200, 39980, 49975, 79960, 99950, 159920, 165917, 199900, 331834, 399800, 663668, 799600, 829585, 1327336, 1659170, 2654672, 3318340, 4147925, 6636680, 8295850, 13273360, 16591700, 33183400, 66366800]

約数ペア:

[(1, 66366800), (2, 33183400), (4, 16591700), (5, 13273360), (8, 8295850), (10, 6636680), (16, 4147925), (20, 3318340), (25, 2654672), (40, 1659170), (50, 1327336), (80, 829585), (83, 799600), (100, 663668), (166, 399800), (200, 331834), (332, 199900), (400, 165917), (415, 159920), (664, 99950), (830, 79960), (1328, 49975), (1660, 39980), (1999, 33200), (2075, 31984), (3320, 19990), (3998, 16600), (4150, 15992), (6640, 9995), (7996, 8300)]