79814240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:576

約数の個数: 96

約数和(自身を含む): 208202400

約数和(自身を除く): 128388160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 110, 160, 176, 202, 220, 352, 404, 440, 449, 505, 808, 880, 898, 1010, 1111, 1616, 1760, 1796, 2020, 2222, 2245, 3232, 3592, 4040, 4444, 4490, 4939, 5555, 7184, 8080, 8888, 8980, 9878, 11110, 14368, 16160, 17776, 17960, 19756, 22220, 24695, 35552, 35920, 39512, 44440, 45349, 49390, 71840, 79024, 88880, 90698, 98780, 158048, 177760, 181396, 197560, 226745, 362792, 395120, 453490, 498839, 725584, 790240, 906980, 997678, 1451168, 1813960, 1995356, 2494195, 3627920, 3990712, 4988390, 7255840, 7981424, 9976780, 15962848, 19953560, 39907120, 79814240]

約数ペア:

[(1, 79814240), (2, 39907120), (4, 19953560), (5, 15962848), (8, 9976780), (10, 7981424), (11, 7255840), (16, 4988390), (20, 3990712), (22, 3627920), (32, 2494195), (40, 1995356), (44, 1813960), (55, 1451168), (80, 997678), (88, 906980), (101, 790240), (110, 725584), (160, 498839), (176, 453490), (202, 395120), (220, 362792), (352, 226745), (404, 197560), (440, 181396), (449, 177760), (505, 158048), (808, 98780), (880, 90698), (898, 88880), (1010, 79024), (1111, 71840), (1616, 49390), (1760, 45349), (1796, 44440), (2020, 39512), (2222, 35920), (2245, 35552), (3232, 24695), (3592, 22220), (4040, 19756), (4444, 17960), (4490, 17776), (4939, 16160), (5555, 14368), (7184, 11110), (8080, 9878), (8888, 8980)]