19739200

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1$

素因数の和:121

約数の個数: 126

約数和(自身を含む): 53314854

約数和(自身を除く): 33575654

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 73, 80, 100, 104, 130, 146, 160, 169, 200, 208, 260, 292, 320, 325, 338, 365, 400, 416, 520, 584, 650, 676, 730, 800, 832, 845, 949, 1040, 1168, 1300, 1352, 1460, 1600, 1690, 1825, 1898, 2080, 2336, 2600, 2704, 2920, 3380, 3650, 3796, 4160, 4225, 4672, 4745, 5200, 5408, 5840, 6760, 7300, 7592, 8450, 9490, 10400, 10816, 11680, 12337, 13520, 14600, 15184, 16900, 18980, 20800, 23360, 23725, 24674, 27040, 29200, 30368, 33800, 37960, 47450, 49348, 54080, 58400, 60736, 61685, 67600, 75920, 94900, 98696, 116800, 123370, 135200, 151840, 189800, 197392, 246740, 270400, 303680, 308425, 379600, 394784, 493480, 616850, 759200, 789568, 986960, 1233700, 1518400, 1973920, 2467400, 3947840, 4934800, 9869600, 19739200]

約数ペア:

[(1, 19739200), (2, 9869600), (4, 4934800), (5, 3947840), (8, 2467400), (10, 1973920), (13, 1518400), (16, 1233700), (20, 986960), (25, 789568), (26, 759200), (32, 616850), (40, 493480), (50, 394784), (52, 379600), (64, 308425), (65, 303680), (73, 270400), (80, 246740), (100, 197392), (104, 189800), (130, 151840), (146, 135200), (160, 123370), (169, 116800), (200, 98696), (208, 94900), (260, 75920), (292, 67600), (320, 61685), (325, 60736), (338, 58400), (365, 54080), (400, 49348), (416, 47450), (520, 37960), (584, 33800), (650, 30368), (676, 29200), (730, 27040), (800, 24674), (832, 23725), (845, 23360), (949, 20800), (1040, 18980), (1168, 16900), (1300, 15184), (1352, 14600), (1460, 13520), (1600, 12337), (1690, 11680), (1825, 10816), (1898, 10400), (2080, 9490), (2336, 8450), (2600, 7592), (2704, 7300), (2920, 6760), (3380, 5840), (3650, 5408), (3796, 5200), (4160, 4745), (4225, 4672)]