25136020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1973}}^1$

素因数の和:2009

約数の個数: 72

約数和(自身を含む): 66160584

約数和(自身を除く): 41024564

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 1973, 2548, 3185, 3946, 6370, 7892, 9865, 12740, 13811, 19730, 25649, 27622, 39460, 51298, 55244, 69055, 96677, 102596, 128245, 138110, 179543, 193354, 256490, 276220, 359086, 386708, 483385, 512980, 718172, 897715, 966770, 1256801, 1795430, 1933540, 2513602, 3590860, 5027204, 6284005, 12568010, 25136020]

約数ペア:

[(1, 25136020), (2, 12568010), (4, 6284005), (5, 5027204), (7, 3590860), (10, 2513602), (13, 1933540), (14, 1795430), (20, 1256801), (26, 966770), (28, 897715), (35, 718172), (49, 512980), (52, 483385), (65, 386708), (70, 359086), (91, 276220), (98, 256490), (130, 193354), (140, 179543), (182, 138110), (196, 128245), (245, 102596), (260, 96677), (364, 69055), (455, 55244), (490, 51298), (637, 39460), (910, 27622), (980, 25649), (1274, 19730), (1820, 13811), (1973, 12740), (2548, 9865), (3185, 7892), (3946, 6370)]