51535360

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:555

約数の個数: 80

約数和(自身を含む): 126835632

約数和(自身を除く): 75300272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 491, 512, 640, 656, 820, 982, 1280, 1312, 1640, 1964, 2455, 2560, 2624, 3280, 3928, 4910, 5248, 6560, 7856, 9820, 10496, 13120, 15712, 19640, 20131, 20992, 26240, 31424, 39280, 40262, 52480, 62848, 78560, 80524, 100655, 104960, 125696, 157120, 161048, 201310, 251392, 314240, 322096, 402620, 628480, 644192, 805240, 1256960, 1288384, 1610480, 2576768, 3220960, 5153536, 6441920, 10307072, 12883840, 25767680, 51535360]

約数ペア:

[(1, 51535360), (2, 25767680), (4, 12883840), (5, 10307072), (8, 6441920), (10, 5153536), (16, 3220960), (20, 2576768), (32, 1610480), (40, 1288384), (41, 1256960), (64, 805240), (80, 644192), (82, 628480), (128, 402620), (160, 322096), (164, 314240), (205, 251392), (256, 201310), (320, 161048), (328, 157120), (410, 125696), (491, 104960), (512, 100655), (640, 80524), (656, 78560), (820, 62848), (982, 52480), (1280, 40262), (1312, 39280), (1640, 31424), (1964, 26240), (2455, 20992), (2560, 20131), (2624, 19640), (3280, 15712), (3928, 13120), (4910, 10496), (5248, 9820), (6560, 7856)]