78857120

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5081}}^1$

素因数の和:5193

約数の個数: 48

約数和(自身を含む): 188257608

約数和(自身を除く): 109400488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 5081, 7760, 10162, 15520, 20324, 25405, 40648, 50810, 81296, 101620, 162592, 203240, 406480, 492857, 812960, 985714, 1971428, 2464285, 3942856, 4928570, 7885712, 9857140, 15771424, 19714280, 39428560, 78857120]

約数ペア:

[(1, 78857120), (2, 39428560), (4, 19714280), (5, 15771424), (8, 9857140), (10, 7885712), (16, 4928570), (20, 3942856), (32, 2464285), (40, 1971428), (80, 985714), (97, 812960), (160, 492857), (194, 406480), (388, 203240), (485, 162592), (776, 101620), (970, 81296), (1552, 50810), (1940, 40648), (3104, 25405), (3880, 20324), (5081, 15520), (7760, 10162)]