25157990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 54153792

約数和(自身を除く): 28995802

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 73, 110, 130, 143, 146, 241, 286, 365, 482, 715, 730, 803, 949, 1205, 1430, 1606, 1898, 2410, 2651, 3133, 4015, 4745, 5302, 6266, 8030, 9490, 10439, 13255, 15665, 17593, 20878, 26510, 31330, 34463, 35186, 52195, 68926, 87965, 104390, 172315, 175930, 193523, 228709, 344630, 387046, 457418, 967615, 1143545, 1935230, 2287090, 2515799, 5031598, 12578995, 25157990]

約数ペア:

[(1, 25157990), (2, 12578995), (5, 5031598), (10, 2515799), (11, 2287090), (13, 1935230), (22, 1143545), (26, 967615), (55, 457418), (65, 387046), (73, 344630), (110, 228709), (130, 193523), (143, 175930), (146, 172315), (241, 104390), (286, 87965), (365, 68926), (482, 52195), (715, 35186), (730, 34463), (803, 31330), (949, 26510), (1205, 20878), (1430, 17593), (1606, 15665), (1898, 13255), (2410, 10439), (2651, 9490), (3133, 8030), (4015, 6266), (4745, 5302)]