25256990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 27619810

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 67, 110, 115, 134, 149, 230, 253, 298, 335, 506, 670, 737, 745, 1265, 1474, 1490, 1541, 1639, 2530, 3082, 3278, 3427, 3685, 6854, 7370, 7705, 8195, 9983, 15410, 16390, 16951, 17135, 19966, 33902, 34270, 37697, 49915, 75394, 84755, 99830, 109813, 169510, 188485, 219626, 229609, 376970, 459218, 549065, 1098130, 1148045, 2296090, 2525699, 5051398, 12628495, 25256990]

約数ペア:

[(1, 25256990), (2, 12628495), (5, 5051398), (10, 2525699), (11, 2296090), (22, 1148045), (23, 1098130), (46, 549065), (55, 459218), (67, 376970), (110, 229609), (115, 219626), (134, 188485), (149, 169510), (230, 109813), (253, 99830), (298, 84755), (335, 75394), (506, 49915), (670, 37697), (737, 34270), (745, 33902), (1265, 19966), (1474, 17135), (1490, 16951), (1541, 16390), (1639, 15410), (2530, 9983), (3082, 8195), (3278, 7705), (3427, 7370), (3685, 6854)]