30388840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20533}}^1$

素因数の和:20581

約数の個数: 32

約数和(自身を含む): 70226280

約数和(自身を除く): 39837440

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 20533, 41066, 82132, 102665, 164264, 205330, 410660, 759721, 821320, 1519442, 3038884, 3798605, 6077768, 7597210, 15194420, 30388840]

約数ペア:

[(1, 30388840), (2, 15194420), (4, 7597210), (5, 6077768), (8, 3798605), (10, 3038884), (20, 1519442), (37, 821320), (40, 759721), (74, 410660), (148, 205330), (185, 164264), (296, 102665), (370, 82132), (740, 41066), (1480, 20533)]