25090010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 52752384

約数和(自身を除く): 27662374

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 47, 55, 94, 110, 115, 211, 230, 235, 253, 422, 470, 506, 517, 1034, 1055, 1081, 1265, 2110, 2162, 2321, 2530, 2585, 4642, 4853, 5170, 5405, 9706, 9917, 10810, 11605, 11891, 19834, 23210, 23782, 24265, 48530, 49585, 53383, 59455, 99170, 106766, 109087, 118910, 218174, 228091, 266915, 456182, 533830, 545435, 1090870, 1140455, 2280910, 2509001, 5018002, 12545005, 25090010]

約数ペア:

[(1, 25090010), (2, 12545005), (5, 5018002), (10, 2509001), (11, 2280910), (22, 1140455), (23, 1090870), (46, 545435), (47, 533830), (55, 456182), (94, 266915), (110, 228091), (115, 218174), (211, 118910), (230, 109087), (235, 106766), (253, 99170), (422, 59455), (470, 53383), (506, 49585), (517, 48530), (1034, 24265), (1055, 23782), (1081, 23210), (1265, 19834), (2110, 11891), (2162, 11605), (2321, 10810), (2530, 9917), (2585, 9706), (4642, 5405), (4853, 5170)]