38785280

素因数分解:

$2^8\times 5^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 93979032

約数和(自身を除く): 55193752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 193, 256, 314, 320, 386, 628, 640, 772, 785, 965, 1256, 1280, 1544, 1570, 1930, 2512, 3088, 3140, 3860, 5024, 6176, 6280, 7720, 10048, 12352, 12560, 15440, 20096, 24704, 25120, 30301, 30880, 40192, 49408, 50240, 60602, 61760, 100480, 121204, 123520, 151505, 200960, 242408, 247040, 303010, 484816, 606020, 969632, 1212040, 1939264, 2424080, 3878528, 4848160, 7757056, 9696320, 19392640, 38785280]

約数ペア:

[(1, 38785280), (2, 19392640), (4, 9696320), (5, 7757056), (8, 4848160), (10, 3878528), (16, 2424080), (20, 1939264), (32, 1212040), (40, 969632), (64, 606020), (80, 484816), (128, 303010), (157, 247040), (160, 242408), (193, 200960), (256, 151505), (314, 123520), (320, 121204), (386, 100480), (628, 61760), (640, 60602), (772, 50240), (785, 49408), (965, 40192), (1256, 30880), (1280, 30301), (1544, 25120), (1570, 24704), (1930, 20096), (2512, 15440), (3088, 12560), (3140, 12352), (3860, 10048), (5024, 7720), (6176, 6280)]