25174960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 62915616

約数和(自身を除く): 37740656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 136, 170, 173, 214, 272, 340, 346, 428, 535, 680, 692, 856, 865, 1070, 1360, 1384, 1712, 1730, 1819, 2140, 2768, 2941, 3460, 3638, 4280, 5882, 6920, 7276, 8560, 9095, 11764, 13840, 14552, 14705, 18190, 18511, 23528, 29104, 29410, 36380, 37022, 47056, 58820, 72760, 74044, 92555, 117640, 145520, 148088, 185110, 235280, 296176, 314687, 370220, 629374, 740440, 1258748, 1480880, 1573435, 2517496, 3146870, 5034992, 6293740, 12587480, 25174960]

約数ペア:

[(1, 25174960), (2, 12587480), (4, 6293740), (5, 5034992), (8, 3146870), (10, 2517496), (16, 1573435), (17, 1480880), (20, 1258748), (34, 740440), (40, 629374), (68, 370220), (80, 314687), (85, 296176), (107, 235280), (136, 185110), (170, 148088), (173, 145520), (214, 117640), (272, 92555), (340, 74044), (346, 72760), (428, 58820), (535, 47056), (680, 37022), (692, 36380), (856, 29410), (865, 29104), (1070, 23528), (1360, 18511), (1384, 18190), (1712, 14705), (1730, 14552), (1819, 13840), (2140, 11764), (2768, 9095), (2941, 8560), (3460, 7276), (3638, 6920), (4280, 5882)]