87456280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53327}}^1$

素因数の和:53379

約数の個数: 32

約数和(自身を含む): 201579840

約数和(自身を除く): 114123560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 53327, 106654, 213308, 266635, 426616, 533270, 1066540, 2133080, 2186407, 4372814, 8745628, 10932035, 17491256, 21864070, 43728140, 87456280]

約数ペア:

[(1, 87456280), (2, 43728140), (4, 21864070), (5, 17491256), (8, 10932035), (10, 8745628), (20, 4372814), (40, 2186407), (41, 2133080), (82, 1066540), (164, 533270), (205, 426616), (328, 266635), (410, 213308), (820, 106654), (1640, 53327)]