8889756460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{49481}}^1$

素因数の和:50194

約数の個数: 48

約数和(自身を含む): 20134027872

約数和(自身を除く): 11244271412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 691, 1382, 2764, 3455, 6910, 8983, 13820, 17966, 35932, 44915, 49481, 89830, 98962, 179660, 197924, 247405, 494810, 643253, 989620, 1286506, 2573012, 3216265, 6432530, 12865060, 34191371, 68382742, 136765484, 170956855, 341913710, 444487823, 683827420, 888975646, 1777951292, 2222439115, 4444878230, 8889756460]

約数ペア:

[(1, 8889756460), (2, 4444878230), (4, 2222439115), (5, 1777951292), (10, 888975646), (13, 683827420), (20, 444487823), (26, 341913710), (52, 170956855), (65, 136765484), (130, 68382742), (260, 34191371), (691, 12865060), (1382, 6432530), (2764, 3216265), (3455, 2573012), (6910, 1286506), (8983, 989620), (13820, 643253), (17966, 494810), (35932, 247405), (44915, 197924), (49481, 179660), (89830, 98962)]