65051120

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1811}}^1$

素因数の和:2273

約数の個数: 40

約数和(自身を含む): 151664400

約数和(自身を除く): 86613280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 898, 1796, 1811, 2245, 3592, 3622, 4490, 7184, 7244, 8980, 9055, 14488, 17960, 18110, 28976, 35920, 36220, 72440, 144880, 813139, 1626278, 3252556, 4065695, 6505112, 8131390, 13010224, 16262780, 32525560, 65051120]

約数ペア:

[(1, 65051120), (2, 32525560), (4, 16262780), (5, 13010224), (8, 8131390), (10, 6505112), (16, 4065695), (20, 3252556), (40, 1626278), (80, 813139), (449, 144880), (898, 72440), (1796, 36220), (1811, 35920), (2245, 28976), (3592, 18110), (3622, 17960), (4490, 14488), (7184, 9055), (7244, 8980)]