31353040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20627}}^1$

素因数の和:20659

約数の個数: 40

約数和(自身を含む): 76736160

約数和(自身を除く): 45383120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 20627, 41254, 82508, 103135, 165016, 206270, 330032, 391913, 412540, 783826, 825080, 1567652, 1650160, 1959565, 3135304, 3919130, 6270608, 7838260, 15676520, 31353040]

約数ペア:

[(1, 31353040), (2, 15676520), (4, 7838260), (5, 6270608), (8, 3919130), (10, 3135304), (16, 1959565), (19, 1650160), (20, 1567652), (38, 825080), (40, 783826), (76, 412540), (80, 391913), (95, 330032), (152, 206270), (190, 165016), (304, 103135), (380, 82508), (760, 41254), (1520, 20627)]