40393040

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1877}}^1$

素因数の和:2159

約数の個数: 40

約数和(自身を含む): 94313160

約数和(自身を除く): 53920120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 1877, 2152, 2690, 3754, 4304, 5380, 7508, 9385, 10760, 15016, 18770, 21520, 30032, 37540, 75080, 150160, 504913, 1009826, 2019652, 2524565, 4039304, 5049130, 8078608, 10098260, 20196520, 40393040]

約数ペア:

[(1, 40393040), (2, 20196520), (4, 10098260), (5, 8078608), (8, 5049130), (10, 4039304), (16, 2524565), (20, 2019652), (40, 1009826), (80, 504913), (269, 150160), (538, 75080), (1076, 37540), (1345, 30032), (1877, 21520), (2152, 18770), (2690, 15016), (3754, 10760), (4304, 9385), (5380, 7508)]