85080320

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5113}}^1$

素因数の和:5147

約数の個数: 72

約数和(自身を含む): 219513336

約数和(自身を除く): 134433016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 5113, 8320, 10226, 16640, 20452, 25565, 40904, 51130, 66469, 81808, 102260, 132938, 163616, 204520, 265876, 327232, 332345, 409040, 531752, 654464, 664690, 818080, 1063504, 1308928, 1329380, 1636160, 2127008, 2658760, 3272320, 4254016, 5317520, 6544640, 8508032, 10635040, 17016064, 21270080, 42540160, 85080320]

約数ペア:

[(1, 85080320), (2, 42540160), (4, 21270080), (5, 17016064), (8, 10635040), (10, 8508032), (13, 6544640), (16, 5317520), (20, 4254016), (26, 3272320), (32, 2658760), (40, 2127008), (52, 1636160), (64, 1329380), (65, 1308928), (80, 1063504), (104, 818080), (128, 664690), (130, 654464), (160, 531752), (208, 409040), (256, 332345), (260, 327232), (320, 265876), (416, 204520), (520, 163616), (640, 132938), (832, 102260), (1040, 81808), (1280, 66469), (1664, 51130), (2080, 40904), (3328, 25565), (4160, 20452), (5113, 16640), (8320, 10226)]