65466875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 89034000

約数和(自身を除く): 23567125

約数列:

[1, 5, 19, 25, 37, 95, 125, 149, 185, 475, 625, 703, 745, 925, 2375, 2831, 3515, 3725, 4625, 5513, 11875, 14155, 17575, 18625, 23125, 27565, 70775, 87875, 93125, 104747, 137825, 353875, 439375, 523735, 689125, 1769375, 2618675, 3445625, 13093375, 65466875]

約数ペア:

[(1, 65466875), (5, 13093375), (19, 3445625), (25, 2618675), (37, 1769375), (95, 689125), (125, 523735), (149, 439375), (185, 353875), (475, 137825), (625, 104747), (703, 93125), (745, 87875), (925, 70775), (2375, 27565), (2831, 23125), (3515, 18625), (3725, 17575), (4625, 14155), (5513, 11875)]