12884375

素因数分解:

$5^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 48

約数和(自身を含む): 19998720

約数和(自身を除く): 7114345

約数列:

[1, 5, 7, 19, 25, 31, 35, 95, 125, 133, 155, 175, 217, 475, 589, 625, 665, 775, 875, 1085, 2375, 2945, 3125, 3325, 3875, 4123, 4375, 5425, 11875, 14725, 16625, 19375, 20615, 21875, 27125, 59375, 73625, 83125, 96875, 103075, 135625, 368125, 415625, 515375, 678125, 1840625, 2576875, 12884375]

約数ペア:

[(1, 12884375), (5, 2576875), (7, 1840625), (19, 678125), (25, 515375), (31, 415625), (35, 368125), (95, 135625), (125, 103075), (133, 96875), (155, 83125), (175, 73625), (217, 59375), (475, 27125), (589, 21875), (625, 20615), (665, 19375), (775, 16625), (875, 14725), (1085, 11875), (2375, 5425), (2945, 4375), (3125, 4123), (3325, 3875)]