28557040

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1327}}^1$

素因数の和:1609

約数の個数: 40

約数和(自身を含む): 66692160

約数和(自身を除く): 38135120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1327, 1345, 2152, 2654, 2690, 4304, 5308, 5380, 6635, 10616, 10760, 13270, 21232, 21520, 26540, 53080, 106160, 356963, 713926, 1427852, 1784815, 2855704, 3569630, 5711408, 7139260, 14278520, 28557040]

約数ペア:

[(1, 28557040), (2, 14278520), (4, 7139260), (5, 5711408), (8, 3569630), (10, 2855704), (16, 1784815), (20, 1427852), (40, 713926), (80, 356963), (269, 106160), (538, 53080), (1076, 26540), (1327, 21520), (1345, 21232), (2152, 13270), (2654, 10760), (2690, 10616), (4304, 6635), (5308, 5380)]