26245980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1049}}^1$

素因数の和:1203

約数の個数: 72

約数和(自身を含む): 80262000

約数和(自身を除く): 54016020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1049, 1251, 1390, 1668, 2085, 2098, 2502, 2780, 3147, 4170, 4196, 5004, 5245, 6255, 6294, 8340, 9441, 10490, 12510, 12588, 15735, 18882, 20980, 25020, 31470, 37764, 47205, 62940, 94410, 145811, 188820, 291622, 437433, 583244, 729055, 874866, 1312299, 1458110, 1749732, 2187165, 2624598, 2916220, 4374330, 5249196, 6561495, 8748660, 13122990, 26245980]

約数ペア:

[(1, 26245980), (2, 13122990), (3, 8748660), (4, 6561495), (5, 5249196), (6, 4374330), (9, 2916220), (10, 2624598), (12, 2187165), (15, 1749732), (18, 1458110), (20, 1312299), (30, 874866), (36, 729055), (45, 583244), (60, 437433), (90, 291622), (139, 188820), (180, 145811), (278, 94410), (417, 62940), (556, 47205), (695, 37764), (834, 31470), (1049, 25020), (1251, 20980), (1390, 18882), (1668, 15735), (2085, 12588), (2098, 12510), (2502, 10490), (2780, 9441), (3147, 8340), (4170, 6294), (4196, 6255), (5004, 5245)]