63784120

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6353}}^1$

素因数の和:6615

約数の個数: 32

約数和(自身を含む): 144108720

約数和(自身を除く): 80324600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 6353, 10040, 12706, 25412, 31765, 50824, 63530, 127060, 254120, 1594603, 3189206, 6378412, 7973015, 12756824, 15946030, 31892060, 63784120]

約数ペア:

[(1, 63784120), (2, 31892060), (4, 15946030), (5, 12756824), (8, 7973015), (10, 6378412), (20, 3189206), (40, 1594603), (251, 254120), (502, 127060), (1004, 63530), (1255, 50824), (2008, 31765), (2510, 25412), (5020, 12706), (6353, 10040)]