266750480

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{6791}}^1$

素因数の和:7295

約数の個数: 40

約数和(自身を含む): 621549504

約数和(自身を除く): 354799024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 6791, 7856, 9820, 13582, 19640, 27164, 33955, 39280, 54328, 67910, 108656, 135820, 271640, 543280, 3334381, 6668762, 13337524, 16671905, 26675048, 33343810, 53350096, 66687620, 133375240, 266750480]

約数ペア:

[(1, 266750480), (2, 133375240), (4, 66687620), (5, 53350096), (8, 33343810), (10, 26675048), (16, 16671905), (20, 13337524), (40, 6668762), (80, 3334381), (491, 543280), (982, 271640), (1964, 135820), (2455, 108656), (3928, 67910), (4910, 54328), (6791, 39280), (7856, 33955), (9820, 27164), (13582, 19640)]