207842540

素因数分解:

$2^2\times 5^1\times {\mathrm{2539}}^1\times {\mathrm{4093}}^1$

素因数の和:6641

約数の個数: 24

約数和(自身を含む): 436747920

約数和(自身を除く): 228905380

約数列:

[1, 2, 4, 5, 10, 20, 2539, 4093, 5078, 8186, 10156, 12695, 16372, 20465, 25390, 40930, 50780, 81860, 10392127, 20784254, 41568508, 51960635, 103921270, 207842540]

約数ペア:

[(1, 207842540), (2, 103921270), (4, 51960635), (5, 41568508), (10, 20784254), (20, 10392127), (2539, 81860), (4093, 50780), (5078, 40930), (8186, 25390), (10156, 20465), (12695, 16372)]