80216406

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{15973}}^1$

素因数の和:16018

約数の個数: 40

約数和(自身を含む): 185553984

約数和(自身を除く): 105337578

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 5022, 15973, 31946, 47919, 95838, 143757, 287514, 431271, 495163, 862542, 990326, 1293813, 1485489, 2587626, 2970978, 4456467, 8912934, 13369401, 26738802, 40108203, 80216406]

約数ペア:

[(1, 80216406), (2, 40108203), (3, 26738802), (6, 13369401), (9, 8912934), (18, 4456467), (27, 2970978), (31, 2587626), (54, 1485489), (62, 1293813), (81, 990326), (93, 862542), (162, 495163), (186, 431271), (279, 287514), (558, 143757), (837, 95838), (1674, 47919), (2511, 31946), (5022, 15973)]