39389375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:177

約数の個数: 40

約数和(自身を含む): 53982720

約数和(自身を除く): 14593345

約数列:

[1, 5, 19, 25, 31, 95, 107, 125, 155, 475, 535, 589, 625, 775, 2033, 2375, 2675, 2945, 3317, 3875, 10165, 11875, 13375, 14725, 16585, 19375, 50825, 63023, 66875, 73625, 82925, 254125, 315115, 368125, 414625, 1270625, 1575575, 2073125, 7877875, 39389375]

約数ペア:

[(1, 39389375), (5, 7877875), (19, 2073125), (25, 1575575), (31, 1270625), (95, 414625), (107, 368125), (125, 315115), (155, 254125), (475, 82925), (535, 73625), (589, 66875), (625, 63023), (775, 50825), (2033, 19375), (2375, 16585), (2675, 14725), (2945, 13375), (3317, 11875), (3875, 10165)]