2430040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 5544000

約数和(自身を除く): 3113960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 769, 790, 1538, 1580, 3076, 3160, 3845, 6152, 7690, 15380, 30760, 60751, 121502, 243004, 303755, 486008, 607510, 1215020, 2430040]

約数ペア:

[(1, 2430040), (2, 1215020), (4, 607510), (5, 486008), (8, 303755), (10, 243004), (20, 121502), (40, 60751), (79, 30760), (158, 15380), (316, 7690), (395, 6152), (632, 3845), (769, 3160), (790, 3076), (1538, 1580)]