27405920

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1091}}^1$

素因数の和:1263

約数の個数: 48

約数和(自身を含む): 65218608

約数和(自身を除く): 37812688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1091, 1256, 1570, 2182, 2512, 3140, 4364, 5024, 5455, 6280, 8728, 10910, 12560, 17456, 21820, 25120, 34912, 43640, 87280, 171287, 174560, 342574, 685148, 856435, 1370296, 1712870, 2740592, 3425740, 5481184, 6851480, 13702960, 27405920]

約数ペア:

[(1, 27405920), (2, 13702960), (4, 6851480), (5, 5481184), (8, 3425740), (10, 2740592), (16, 1712870), (20, 1370296), (32, 856435), (40, 685148), (80, 342574), (157, 174560), (160, 171287), (314, 87280), (628, 43640), (785, 34912), (1091, 25120), (1256, 21820), (1570, 17456), (2182, 12560), (2512, 10910), (3140, 8728), (4364, 6280), (5024, 5455)]