31482160

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2039}}^1$

素因数の和:2245

約数の個数: 40

約数和(自身を含む): 73611360

約数和(自身を除く): 42129200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 2039, 3088, 3860, 4078, 7720, 8156, 10195, 15440, 16312, 20390, 32624, 40780, 81560, 163120, 393527, 787054, 1574108, 1967635, 3148216, 3935270, 6296432, 7870540, 15741080, 31482160]

約数ペア:

[(1, 31482160), (2, 15741080), (4, 7870540), (5, 6296432), (8, 3935270), (10, 3148216), (16, 1967635), (20, 1574108), (40, 787054), (80, 393527), (193, 163120), (386, 81560), (772, 40780), (965, 32624), (1544, 20390), (1930, 16312), (2039, 15440), (3088, 10195), (3860, 8156), (4078, 7720)]