26493440

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 80

約数和(自身を含む): 64817280

約数和(自身を除く): 38323840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 131, 158, 160, 256, 262, 316, 320, 395, 512, 524, 632, 640, 655, 790, 1048, 1264, 1280, 1310, 1580, 2096, 2528, 2560, 2620, 3160, 4192, 5056, 5240, 6320, 8384, 10112, 10349, 10480, 12640, 16768, 20224, 20698, 20960, 25280, 33536, 40448, 41396, 41920, 50560, 51745, 67072, 82792, 83840, 101120, 103490, 165584, 167680, 202240, 206980, 331168, 335360, 413960, 662336, 827920, 1324672, 1655840, 2649344, 3311680, 5298688, 6623360, 13246720, 26493440]

約数ペア:

[(1, 26493440), (2, 13246720), (4, 6623360), (5, 5298688), (8, 3311680), (10, 2649344), (16, 1655840), (20, 1324672), (32, 827920), (40, 662336), (64, 413960), (79, 335360), (80, 331168), (128, 206980), (131, 202240), (158, 167680), (160, 165584), (256, 103490), (262, 101120), (316, 83840), (320, 82792), (395, 67072), (512, 51745), (524, 50560), (632, 41920), (640, 41396), (655, 40448), (790, 33536), (1048, 25280), (1264, 20960), (1280, 20698), (1310, 20224), (1580, 16768), (2096, 12640), (2528, 10480), (2560, 10349), (2620, 10112), (3160, 8384), (4192, 6320), (5056, 5240)]