80701930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{1109}}^1$

素因数の和:1518

約数の個数: 32

約数和(自身を含む): 153446400

約数和(自身を除く): 72744470

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 383, 766, 1109, 1915, 2218, 3830, 5545, 7277, 11090, 14554, 21071, 36385, 42142, 72770, 105355, 210710, 424747, 849494, 2123735, 4247470, 8070193, 16140386, 40350965, 80701930]

約数ペア:

[(1, 80701930), (2, 40350965), (5, 16140386), (10, 8070193), (19, 4247470), (38, 2123735), (95, 849494), (190, 424747), (383, 210710), (766, 105355), (1109, 72770), (1915, 42142), (2218, 36385), (3830, 21071), (5545, 14554), (7277, 11090)]