54850625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 40

約数和(自身を含む): 74976000

約数和(自身を除く): 20125375

約数列:

[1, 5, 19, 25, 31, 95, 125, 149, 155, 475, 589, 625, 745, 775, 2375, 2831, 2945, 3725, 3875, 4619, 11875, 14155, 14725, 18625, 19375, 23095, 70775, 73625, 87761, 93125, 115475, 353875, 368125, 438805, 577375, 1769375, 2194025, 2886875, 10970125, 54850625]

約数ペア:

[(1, 54850625), (5, 10970125), (19, 2886875), (25, 2194025), (31, 1769375), (95, 577375), (125, 438805), (149, 368125), (155, 353875), (475, 115475), (589, 93125), (625, 87761), (745, 73625), (775, 70775), (2375, 23095), (2831, 19375), (2945, 18625), (3725, 14725), (3875, 14155), (4619, 11875)]