54788875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 80870400

約数和(自身を除く): 26081525

約数列:

[1, 5, 17, 19, 23, 25, 59, 85, 95, 115, 125, 295, 323, 391, 425, 437, 475, 575, 1003, 1121, 1357, 1475, 1615, 1955, 2125, 2185, 2375, 2875, 5015, 5605, 6785, 7375, 7429, 8075, 9775, 10925, 19057, 23069, 25075, 25783, 28025, 33925, 37145, 40375, 48875, 54625, 95285, 115345, 125375, 128915, 140125, 169625, 185725, 438311, 476425, 576725, 644575, 928625, 2191555, 2382125, 2883625, 3222875, 10957775, 54788875]

約数ペア:

[(1, 54788875), (5, 10957775), (17, 3222875), (19, 2883625), (23, 2382125), (25, 2191555), (59, 928625), (85, 644575), (95, 576725), (115, 476425), (125, 438311), (295, 185725), (323, 169625), (391, 140125), (425, 128915), (437, 125375), (475, 115345), (575, 95285), (1003, 54625), (1121, 48875), (1357, 40375), (1475, 37145), (1615, 33925), (1955, 28025), (2125, 25783), (2185, 25075), (2375, 23069), (2875, 19057), (5015, 10925), (5605, 9775), (6785, 8075), (7375, 7429)]