487690640

素因数分解:

$2^4\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{3851}}^1$

素因数の和:5447

約数の個数: 40

約数和(自身を含む): 1134891648

約数和(自身を除く): 647201008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1583, 3166, 3851, 6332, 7702, 7915, 12664, 15404, 15830, 19255, 25328, 30808, 31660, 38510, 61616, 63320, 77020, 126640, 154040, 308080, 6096133, 12192266, 24384532, 30480665, 48769064, 60961330, 97538128, 121922660, 243845320, 487690640]

約数ペア:

[(1, 487690640), (2, 243845320), (4, 121922660), (5, 97538128), (8, 60961330), (10, 48769064), (16, 30480665), (20, 24384532), (40, 12192266), (80, 6096133), (1583, 308080), (3166, 154040), (3851, 126640), (6332, 77020), (7702, 63320), (7915, 61616), (12664, 38510), (15404, 31660), (15830, 30808), (19255, 25328)]