25384760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 35440840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 263, 380, 508, 526, 635, 760, 1016, 1052, 1270, 1315, 2104, 2413, 2540, 2630, 4826, 4997, 5080, 5260, 9652, 9994, 10520, 12065, 19304, 19988, 24130, 24985, 33401, 39976, 48260, 49970, 66802, 96520, 99940, 133604, 167005, 199880, 267208, 334010, 634619, 668020, 1269238, 1336040, 2538476, 3173095, 5076952, 6346190, 12692380, 25384760]

約数ペア:

[(1, 25384760), (2, 12692380), (4, 6346190), (5, 5076952), (8, 3173095), (10, 2538476), (19, 1336040), (20, 1269238), (38, 668020), (40, 634619), (76, 334010), (95, 267208), (127, 199880), (152, 167005), (190, 133604), (254, 99940), (263, 96520), (380, 66802), (508, 49970), (526, 48260), (635, 39976), (760, 33401), (1016, 24985), (1052, 24130), (1270, 19988), (1315, 19304), (2104, 12065), (2413, 10520), (2540, 9994), (2630, 9652), (4826, 5260), (4997, 5080)]