638154080

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{14827}}^1$

素因数の和:15111

約数の個数: 48

約数和(自身を含む): 1513345680

約数和(自身を除く): 875191600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 8608, 10760, 14827, 21520, 29654, 43040, 59308, 74135, 118616, 148270, 237232, 296540, 474464, 593080, 1186160, 2372320, 3988463, 7976926, 15953852, 19942315, 31907704, 39884630, 63815408, 79769260, 127630816, 159538520, 319077040, 638154080]

約数ペア:

[(1, 638154080), (2, 319077040), (4, 159538520), (5, 127630816), (8, 79769260), (10, 63815408), (16, 39884630), (20, 31907704), (32, 19942315), (40, 15953852), (80, 7976926), (160, 3988463), (269, 2372320), (538, 1186160), (1076, 593080), (1345, 474464), (2152, 296540), (2690, 237232), (4304, 148270), (5380, 118616), (8608, 74135), (10760, 59308), (14827, 43040), (21520, 29654)]