25901590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 29981930

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 59, 65, 110, 118, 130, 143, 286, 295, 307, 590, 614, 649, 715, 767, 1298, 1430, 1534, 1535, 3070, 3245, 3377, 3835, 3991, 6490, 6754, 7670, 7982, 8437, 16874, 16885, 18113, 19955, 33770, 36226, 39910, 42185, 43901, 84370, 87802, 90565, 181130, 199243, 219505, 235469, 398486, 439010, 470938, 996215, 1177345, 1992430, 2354690, 2590159, 5180318, 12950795, 25901590]

約数ペア:

[(1, 25901590), (2, 12950795), (5, 5180318), (10, 2590159), (11, 2354690), (13, 1992430), (22, 1177345), (26, 996215), (55, 470938), (59, 439010), (65, 398486), (110, 235469), (118, 219505), (130, 199243), (143, 181130), (286, 90565), (295, 87802), (307, 84370), (590, 43901), (614, 42185), (649, 39910), (715, 36226), (767, 33770), (1298, 19955), (1430, 18113), (1534, 16885), (1535, 16874), (3070, 8437), (3245, 7982), (3377, 7670), (3835, 6754), (3991, 6490)]