25907220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{883}}^1$

素因数の和:1061

約数の個数: 72

約数和(自身を含む): 79156896

約数和(自身を除く): 53249676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 883, 978, 1467, 1630, 1766, 1956, 2445, 2649, 2934, 3260, 3532, 4415, 4890, 5298, 5868, 7335, 7947, 8830, 9780, 10596, 13245, 14670, 15894, 17660, 26490, 29340, 31788, 39735, 52980, 79470, 143929, 158940, 287858, 431787, 575716, 719645, 863574, 1295361, 1439290, 1727148, 2158935, 2590722, 2878580, 4317870, 5181444, 6476805, 8635740, 12953610, 25907220]

約数ペア:

[(1, 25907220), (2, 12953610), (3, 8635740), (4, 6476805), (5, 5181444), (6, 4317870), (9, 2878580), (10, 2590722), (12, 2158935), (15, 1727148), (18, 1439290), (20, 1295361), (30, 863574), (36, 719645), (45, 575716), (60, 431787), (90, 287858), (163, 158940), (180, 143929), (326, 79470), (489, 52980), (652, 39735), (815, 31788), (883, 29340), (978, 26490), (1467, 17660), (1630, 15894), (1766, 14670), (1956, 13245), (2445, 10596), (2649, 9780), (2934, 8830), (3260, 7947), (3532, 7335), (4415, 5868), (4890, 5298)]