65754160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20047}}^1$

素因数の和:20101

約数の個数: 40

約数和(自身を含む): 156614976

約数和(自身を除く): 90860816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20047, 40094, 80188, 100235, 160376, 200470, 320752, 400940, 801880, 821927, 1603760, 1643854, 3287708, 4109635, 6575416, 8219270, 13150832, 16438540, 32877080, 65754160]

約数ペア:

[(1, 65754160), (2, 32877080), (4, 16438540), (5, 13150832), (8, 8219270), (10, 6575416), (16, 4109635), (20, 3287708), (40, 1643854), (41, 1603760), (80, 821927), (82, 801880), (164, 400940), (205, 320752), (328, 200470), (410, 160376), (656, 100235), (820, 80188), (1640, 40094), (3280, 20047)]