25886720

素因数分解:

$2^{16}\times 5^1\times {\mathrm{79}}^1$

素因数の和:116

約数の個数: 68

約数和(自身を含む): 62914080

約数和(自身を除く): 37027360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 632, 640, 790, 1024, 1264, 1280, 1580, 2048, 2528, 2560, 3160, 4096, 5056, 5120, 6320, 8192, 10112, 10240, 12640, 16384, 20224, 20480, 25280, 32768, 40448, 40960, 50560, 65536, 80896, 81920, 101120, 161792, 163840, 202240, 323584, 327680, 404480, 647168, 808960, 1294336, 1617920, 2588672, 3235840, 5177344, 6471680, 12943360, 25886720]

約数ペア:

[(1, 25886720), (2, 12943360), (4, 6471680), (5, 5177344), (8, 3235840), (10, 2588672), (16, 1617920), (20, 1294336), (32, 808960), (40, 647168), (64, 404480), (79, 327680), (80, 323584), (128, 202240), (158, 163840), (160, 161792), (256, 101120), (316, 81920), (320, 80896), (395, 65536), (512, 50560), (632, 40960), (640, 40448), (790, 32768), (1024, 25280), (1264, 20480), (1280, 20224), (1580, 16384), (2048, 12640), (2528, 10240), (2560, 10112), (3160, 8192), (4096, 6320), (5056, 5120)]