1280116976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{5879}}^1$

素因数の和:6357

約数の個数: 40

約数和(自身を含む): 2566502400

約数和(自身を除く): 1286385424

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 439, 496, 878, 1756, 3512, 5879, 7024, 11758, 13609, 23516, 27218, 47032, 54436, 94064, 108872, 182249, 217744, 364498, 728996, 1457992, 2580881, 2915984, 5161762, 10323524, 20647048, 41294096, 80007311, 160014622, 320029244, 640058488, 1280116976]

約数ペア:

[(1, 1280116976), (2, 640058488), (4, 320029244), (8, 160014622), (16, 80007311), (31, 41294096), (62, 20647048), (124, 10323524), (248, 5161762), (439, 2915984), (496, 2580881), (878, 1457992), (1756, 728996), (3512, 364498), (5879, 217744), (7024, 182249), (11758, 108872), (13609, 94064), (23516, 54436), (27218, 47032)]