77917520

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2543}}^1$

素因数の和:2939

約数の個数: 40

約数和(自身を含む): 181702656

約数和(自身を除く): 103785136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1915, 2543, 3064, 3830, 5086, 6128, 7660, 10172, 12715, 15320, 20344, 25430, 30640, 40688, 50860, 101720, 203440, 973969, 1947938, 3895876, 4869845, 7791752, 9739690, 15583504, 19479380, 38958760, 77917520]

約数ペア:

[(1, 77917520), (2, 38958760), (4, 19479380), (5, 15583504), (8, 9739690), (10, 7791752), (16, 4869845), (20, 3895876), (40, 1947938), (80, 973969), (383, 203440), (766, 101720), (1532, 50860), (1915, 40688), (2543, 30640), (3064, 25430), (3830, 20344), (5086, 15320), (6128, 12715), (7660, 10172)]