81209090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4973}}^1$

素因数の和:5074

約数の個数: 32

約数和(自身を含む): 154711296

約数和(自身を除く): 73502206

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 230, 355, 710, 1633, 3266, 4973, 8165, 9946, 16330, 24865, 49730, 114379, 228758, 353083, 571895, 706166, 1143790, 1765415, 3530830, 8120909, 16241818, 40604545, 81209090]

約数ペア:

[(1, 81209090), (2, 40604545), (5, 16241818), (10, 8120909), (23, 3530830), (46, 1765415), (71, 1143790), (115, 706166), (142, 571895), (230, 353083), (355, 228758), (710, 114379), (1633, 49730), (3266, 24865), (4973, 16330), (8165, 9946)]