51819520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 88

約数和(自身を含む): 128961000

約数和(自身を除く): 77141480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 349, 464, 512, 580, 640, 698, 928, 1024, 1160, 1280, 1396, 1745, 1856, 2320, 2560, 2792, 3490, 3712, 4640, 5120, 5584, 6980, 7424, 9280, 10121, 11168, 13960, 14848, 18560, 20242, 22336, 27920, 29696, 37120, 40484, 44672, 50605, 55840, 74240, 80968, 89344, 101210, 111680, 148480, 161936, 178688, 202420, 223360, 323872, 357376, 404840, 446720, 647744, 809680, 893440, 1295488, 1619360, 1786880, 2590976, 3238720, 5181952, 6477440, 10363904, 12954880, 25909760, 51819520]

約数ペア:

[(1, 51819520), (2, 25909760), (4, 12954880), (5, 10363904), (8, 6477440), (10, 5181952), (16, 3238720), (20, 2590976), (29, 1786880), (32, 1619360), (40, 1295488), (58, 893440), (64, 809680), (80, 647744), (116, 446720), (128, 404840), (145, 357376), (160, 323872), (232, 223360), (256, 202420), (290, 178688), (320, 161936), (349, 148480), (464, 111680), (512, 101210), (580, 89344), (640, 80968), (698, 74240), (928, 55840), (1024, 50605), (1160, 44672), (1280, 40484), (1396, 37120), (1745, 29696), (1856, 27920), (2320, 22336), (2560, 20242), (2792, 18560), (3490, 14848), (3712, 13960), (4640, 11168), (5120, 10121), (5584, 9280), (6980, 7424)]