81022360

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 189112320

約数和(自身を除く): 108089960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 71, 94, 142, 188, 235, 284, 355, 376, 470, 568, 607, 710, 940, 1214, 1420, 1880, 2428, 2840, 3035, 3337, 4856, 6070, 6674, 12140, 13348, 16685, 24280, 26696, 28529, 33370, 43097, 57058, 66740, 86194, 114116, 133480, 142645, 172388, 215485, 228232, 285290, 344776, 430970, 570580, 861940, 1141160, 1723880, 2025559, 4051118, 8102236, 10127795, 16204472, 20255590, 40511180, 81022360]

約数ペア:

[(1, 81022360), (2, 40511180), (4, 20255590), (5, 16204472), (8, 10127795), (10, 8102236), (20, 4051118), (40, 2025559), (47, 1723880), (71, 1141160), (94, 861940), (142, 570580), (188, 430970), (235, 344776), (284, 285290), (355, 228232), (376, 215485), (470, 172388), (568, 142645), (607, 133480), (710, 114116), (940, 86194), (1214, 66740), (1420, 57058), (1880, 43097), (2428, 33370), (2840, 28529), (3035, 26696), (3337, 24280), (4856, 16685), (6070, 13348), (6674, 12140)]