25118720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 40925440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 223, 256, 320, 352, 440, 446, 512, 640, 704, 880, 892, 1024, 1115, 1280, 1408, 1760, 1784, 2048, 2230, 2453, 2560, 2816, 3520, 3568, 4460, 4906, 5120, 5632, 7040, 7136, 8920, 9812, 10240, 11264, 12265, 14080, 14272, 17840, 19624, 22528, 24530, 28160, 28544, 35680, 39248, 49060, 56320, 57088, 71360, 78496, 98120, 112640, 114176, 142720, 156992, 196240, 228352, 285440, 313984, 392480, 456704, 570880, 627968, 784960, 1141760, 1255936, 1569920, 2283520, 2511872, 3139840, 5023744, 6279680, 12559360, 25118720]

約数ペア:

[(1, 25118720), (2, 12559360), (4, 6279680), (5, 5023744), (8, 3139840), (10, 2511872), (11, 2283520), (16, 1569920), (20, 1255936), (22, 1141760), (32, 784960), (40, 627968), (44, 570880), (55, 456704), (64, 392480), (80, 313984), (88, 285440), (110, 228352), (128, 196240), (160, 156992), (176, 142720), (220, 114176), (223, 112640), (256, 98120), (320, 78496), (352, 71360), (440, 57088), (446, 56320), (512, 49060), (640, 39248), (704, 35680), (880, 28544), (892, 28160), (1024, 24530), (1115, 22528), (1280, 19624), (1408, 17840), (1760, 14272), (1784, 14080), (2048, 12265), (2230, 11264), (2453, 10240), (2560, 9812), (2816, 8920), (3520, 7136), (3568, 7040), (4460, 5632), (4906, 5120)]