80485580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1051}}^1$

素因数の和:1614

約数の個数: 48

約数和(自身を含む): 193702656

約数和(自身を除く): 113217076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1051, 1094, 2102, 2188, 2735, 3829, 4204, 5255, 5470, 7357, 7658, 10510, 10940, 14714, 15316, 19145, 21020, 29428, 36785, 38290, 73570, 76580, 147140, 574897, 1149794, 2299588, 2874485, 4024279, 5748970, 8048558, 11497940, 16097116, 20121395, 40242790, 80485580]

約数ペア:

[(1, 80485580), (2, 40242790), (4, 20121395), (5, 16097116), (7, 11497940), (10, 8048558), (14, 5748970), (20, 4024279), (28, 2874485), (35, 2299588), (70, 1149794), (140, 574897), (547, 147140), (1051, 76580), (1094, 73570), (2102, 38290), (2188, 36785), (2735, 29428), (3829, 21020), (4204, 19145), (5255, 15316), (5470, 14714), (7357, 10940), (7658, 10510)]