80639132

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 166826688

約数和(自身を除く): 86187556

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 277, 281, 518, 554, 562, 1036, 1108, 1124, 1939, 1967, 3878, 3934, 7756, 7868, 10249, 10397, 20498, 20794, 40996, 41588, 71743, 72779, 77837, 143486, 145558, 155674, 286972, 291116, 311348, 544859, 1089718, 2179436, 2879969, 5759938, 11519876, 20159783, 40319566, 80639132]

約数ペア:

[(1, 80639132), (2, 40319566), (4, 20159783), (7, 11519876), (14, 5759938), (28, 2879969), (37, 2179436), (74, 1089718), (148, 544859), (259, 311348), (277, 291116), (281, 286972), (518, 155674), (554, 145558), (562, 143486), (1036, 77837), (1108, 72779), (1124, 71743), (1939, 41588), (1967, 40996), (3878, 20794), (3934, 20498), (7756, 10397), (7868, 10249)]