40579040

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2139

約数の個数: 48

約数和(自身を含む): 96671232

約数和(自身を除く): 56092192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 1997, 2032, 2540, 3994, 4064, 5080, 7988, 9985, 10160, 15976, 19970, 20320, 31952, 39940, 63904, 79880, 159760, 253619, 319520, 507238, 1014476, 1268095, 2028952, 2536190, 4057904, 5072380, 8115808, 10144760, 20289520, 40579040]

約数ペア:

[(1, 40579040), (2, 20289520), (4, 10144760), (5, 8115808), (8, 5072380), (10, 4057904), (16, 2536190), (20, 2028952), (32, 1268095), (40, 1014476), (80, 507238), (127, 319520), (160, 253619), (254, 159760), (508, 79880), (635, 63904), (1016, 39940), (1270, 31952), (1997, 20320), (2032, 19970), (2540, 15976), (3994, 10160), (4064, 9985), (5080, 7988)]