128425120

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19577}}^1$

素因数の和:19633

約数の個数: 48

約数和(自身を含む): 310820328

約数和(自身を除く): 182395208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 19577, 39154, 78308, 97885, 156616, 195770, 313232, 391540, 626464, 783080, 802657, 1566160, 1605314, 3132320, 3210628, 4013285, 6421256, 8026570, 12842512, 16053140, 25685024, 32106280, 64212560, 128425120]

約数ペア:

[(1, 128425120), (2, 64212560), (4, 32106280), (5, 25685024), (8, 16053140), (10, 12842512), (16, 8026570), (20, 6421256), (32, 4013285), (40, 3210628), (41, 3132320), (80, 1605314), (82, 1566160), (160, 802657), (164, 783080), (205, 626464), (328, 391540), (410, 313232), (656, 195770), (820, 156616), (1312, 97885), (1640, 78308), (3280, 39154), (6560, 19577)]