30985960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40771}}^1$

素因数の和:40801

約数の個数: 32

約数和(自身を含む): 73389600

約数和(自身を除く): 42403640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 40771, 81542, 163084, 203855, 326168, 407710, 774649, 815420, 1549298, 1630840, 3098596, 3873245, 6197192, 7746490, 15492980, 30985960]

約数ペア:

[(1, 30985960), (2, 15492980), (4, 7746490), (5, 6197192), (8, 3873245), (10, 3098596), (19, 1630840), (20, 1549298), (38, 815420), (40, 774649), (76, 407710), (95, 326168), (152, 203855), (190, 163084), (380, 81542), (760, 40771)]