25147450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 49907520

約数和(自身を除く): 24760070

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 103, 190, 206, 257, 475, 514, 515, 950, 1030, 1285, 1957, 2570, 2575, 3914, 4883, 5150, 6425, 9766, 9785, 12850, 19570, 24415, 26471, 48830, 48925, 52942, 97850, 122075, 132355, 244150, 264710, 502949, 661775, 1005898, 1323550, 2514745, 5029490, 12573725, 25147450]

約数ペア:

[(1, 25147450), (2, 12573725), (5, 5029490), (10, 2514745), (19, 1323550), (25, 1005898), (38, 661775), (50, 502949), (95, 264710), (103, 244150), (190, 132355), (206, 122075), (257, 97850), (475, 52942), (514, 48925), (515, 48830), (950, 26471), (1030, 24415), (1285, 19570), (1957, 12850), (2570, 9785), (2575, 9766), (3914, 6425), (4883, 5150)]