85202560

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1987}}^1$

素因数の和:2073

約数の個数: 64

約数和(自身を含む): 206831520

約数和(自身を除く): 121628960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 1987, 2144, 2680, 3974, 4288, 5360, 7948, 8576, 9935, 10720, 15896, 19870, 21440, 31792, 39740, 42880, 63584, 79480, 127168, 133129, 158960, 254336, 266258, 317920, 532516, 635840, 665645, 1065032, 1271680, 1331290, 2130064, 2662580, 4260128, 5325160, 8520256, 10650320, 17040512, 21300640, 42601280, 85202560]

約数ペア:

[(1, 85202560), (2, 42601280), (4, 21300640), (5, 17040512), (8, 10650320), (10, 8520256), (16, 5325160), (20, 4260128), (32, 2662580), (40, 2130064), (64, 1331290), (67, 1271680), (80, 1065032), (128, 665645), (134, 635840), (160, 532516), (268, 317920), (320, 266258), (335, 254336), (536, 158960), (640, 133129), (670, 127168), (1072, 79480), (1340, 63584), (1987, 42880), (2144, 39740), (2680, 31792), (3974, 21440), (4288, 19870), (5360, 15896), (7948, 10720), (8576, 9935)]