2666920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1093}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 6104520

約数和(自身を除く): 3437600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1093, 1220, 2186, 2440, 4372, 5465, 8744, 10930, 21860, 43720, 66673, 133346, 266692, 333365, 533384, 666730, 1333460, 2666920]

約数ペア:

[(1, 2666920), (2, 1333460), (4, 666730), (5, 533384), (8, 333365), (10, 266692), (20, 133346), (40, 66673), (61, 43720), (122, 21860), (244, 10930), (305, 8744), (488, 5465), (610, 4372), (1093, 2440), (1220, 2186)]