80763920

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 194451840

約数和(自身を除く): 113687920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 71, 80, 118, 142, 236, 241, 284, 295, 355, 472, 482, 568, 590, 710, 944, 964, 1136, 1180, 1205, 1420, 1928, 2360, 2410, 2840, 3856, 4189, 4720, 4820, 5680, 8378, 9640, 14219, 16756, 17111, 19280, 20945, 28438, 33512, 34222, 41890, 56876, 67024, 68444, 71095, 83780, 85555, 113752, 136888, 142190, 167560, 171110, 227504, 273776, 284380, 335120, 342220, 568760, 684440, 1009549, 1137520, 1368880, 2019098, 4038196, 5047745, 8076392, 10095490, 16152784, 20190980, 40381960, 80763920]

約数ペア:

[(1, 80763920), (2, 40381960), (4, 20190980), (5, 16152784), (8, 10095490), (10, 8076392), (16, 5047745), (20, 4038196), (40, 2019098), (59, 1368880), (71, 1137520), (80, 1009549), (118, 684440), (142, 568760), (236, 342220), (241, 335120), (284, 284380), (295, 273776), (355, 227504), (472, 171110), (482, 167560), (568, 142190), (590, 136888), (710, 113752), (944, 85555), (964, 83780), (1136, 71095), (1180, 68444), (1205, 67024), (1420, 56876), (1928, 41890), (2360, 34222), (2410, 33512), (2840, 28438), (3856, 20945), (4189, 19280), (4720, 17111), (4820, 16756), (5680, 14219), (8378, 9640)]