51988858160

素因数分解:

$2^4\times 5^1\times {\mathrm{4969}}^1\times {\mathrm{130783}}^1$

素因数の和:135765

約数の個数: 40

約数和(自身を含む): 120899345280

約数和(自身を除く): 68910487120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4969, 9938, 19876, 24845, 39752, 49690, 79504, 99380, 130783, 198760, 261566, 397520, 523132, 653915, 1046264, 1307830, 2092528, 2615660, 5231320, 10462640, 649860727, 1299721454, 2599442908, 3249303635, 5198885816, 6498607270, 10397771632, 12997214540, 25994429080, 51988858160]

約数ペア:

[(1, 51988858160), (2, 25994429080), (4, 12997214540), (5, 10397771632), (8, 6498607270), (10, 5198885816), (16, 3249303635), (20, 2599442908), (40, 1299721454), (80, 649860727), (4969, 10462640), (9938, 5231320), (19876, 2615660), (24845, 2092528), (39752, 1307830), (49690, 1046264), (79504, 653915), (99380, 523132), (130783, 397520), (198760, 261566)]