1887019520

素因数分解:

$2^9\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5303}}^1$

素因数の和:5465

約数の個数: 80

約数和(自身を含む): 4557833280

約数和(自身を除く): 2670813760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 512, 556, 640, 695, 1112, 1280, 1390, 2224, 2560, 2780, 4448, 5303, 5560, 8896, 10606, 11120, 17792, 21212, 22240, 26515, 35584, 42424, 44480, 53030, 71168, 84848, 88960, 106060, 169696, 177920, 212120, 339392, 355840, 424240, 678784, 737117, 848480, 1357568, 1474234, 1696960, 2715136, 2948468, 3393920, 3685585, 5896936, 6787840, 7371170, 11793872, 13575680, 14742340, 23587744, 29484680, 47175488, 58969360, 94350976, 117938720, 188701952, 235877440, 377403904, 471754880, 943509760, 1887019520]

約数ペア:

[(1, 1887019520), (2, 943509760), (4, 471754880), (5, 377403904), (8, 235877440), (10, 188701952), (16, 117938720), (20, 94350976), (32, 58969360), (40, 47175488), (64, 29484680), (80, 23587744), (128, 14742340), (139, 13575680), (160, 11793872), (256, 7371170), (278, 6787840), (320, 5896936), (512, 3685585), (556, 3393920), (640, 2948468), (695, 2715136), (1112, 1696960), (1280, 1474234), (1390, 1357568), (2224, 848480), (2560, 737117), (2780, 678784), (4448, 424240), (5303, 355840), (5560, 339392), (8896, 212120), (10606, 177920), (11120, 169696), (17792, 106060), (21212, 88960), (22240, 84848), (26515, 71168), (35584, 53030), (42424, 44480)]