80576540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{677}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 185207904

約数和(自身を除く): 104631364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 541, 677, 1082, 1354, 2164, 2705, 2708, 3385, 5410, 5951, 6770, 7447, 10820, 11902, 13540, 14894, 23804, 29755, 29788, 37235, 59510, 74470, 119020, 148940, 366257, 732514, 1465028, 1831285, 3662570, 4028827, 7325140, 8057654, 16115308, 20144135, 40288270, 80576540]

約数ペア:

[(1, 80576540), (2, 40288270), (4, 20144135), (5, 16115308), (10, 8057654), (11, 7325140), (20, 4028827), (22, 3662570), (44, 1831285), (55, 1465028), (110, 732514), (220, 366257), (541, 148940), (677, 119020), (1082, 74470), (1354, 59510), (2164, 37235), (2705, 29788), (2708, 29755), (3385, 23804), (5410, 14894), (5951, 13540), (6770, 11902), (7447, 10820)]