30884680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24907}}^1$

素因数の和:24949

約数の個数: 32

約数和(自身を含む): 71735040

約数和(自身を除く): 40850360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 24907, 49814, 99628, 124535, 199256, 249070, 498140, 772117, 996280, 1544234, 3088468, 3860585, 6176936, 7721170, 15442340, 30884680]

約数ペア:

[(1, 30884680), (2, 15442340), (4, 7721170), (5, 6176936), (8, 3860585), (10, 3088468), (20, 1544234), (31, 996280), (40, 772117), (62, 498140), (124, 249070), (155, 199256), (248, 124535), (310, 99628), (620, 49814), (1240, 24907)]