31385840

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1069}}^1$

素因数の和:1449

約数の個数: 40

約数和(自身を含む): 73239360

約数和(自身を除く): 41853520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 734, 1069, 1468, 1835, 2138, 2936, 3670, 4276, 5345, 5872, 7340, 8552, 10690, 14680, 17104, 21380, 29360, 42760, 85520, 392323, 784646, 1569292, 1961615, 3138584, 3923230, 6277168, 7846460, 15692920, 31385840]

約数ペア:

[(1, 31385840), (2, 15692920), (4, 7846460), (5, 6277168), (8, 3923230), (10, 3138584), (16, 1961615), (20, 1569292), (40, 784646), (80, 392323), (367, 85520), (734, 42760), (1069, 29360), (1468, 21380), (1835, 17104), (2138, 14680), (2936, 10690), (3670, 8552), (4276, 7340), (5345, 5872)]