78747875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 105131520

約数和(自身を除く): 26383645

約数列:

[1, 5, 19, 25, 71, 95, 125, 355, 467, 475, 1349, 1775, 2335, 2375, 6745, 8873, 8875, 11675, 33157, 33725, 44365, 58375, 165785, 168625, 221825, 629983, 828925, 1109125, 3149915, 4144625, 15749575, 78747875]

約数ペア:

[(1, 78747875), (5, 15749575), (19, 4144625), (25, 3149915), (71, 1109125), (95, 828925), (125, 629983), (355, 221825), (467, 168625), (475, 165785), (1349, 58375), (1775, 44365), (2335, 33725), (2375, 33157), (6745, 11675), (8873, 8875)]