28150720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 112

約数和(自身を含む): 73993248

約数和(自身を除く): 45842528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 80, 101, 104, 130, 134, 160, 202, 208, 260, 268, 320, 335, 404, 416, 505, 520, 536, 670, 808, 832, 871, 1010, 1040, 1072, 1313, 1340, 1616, 1742, 2020, 2080, 2144, 2626, 2680, 3232, 3484, 4040, 4160, 4288, 4355, 5252, 5360, 6464, 6565, 6767, 6968, 8080, 8710, 10504, 10720, 13130, 13534, 13936, 16160, 17420, 21008, 21440, 26260, 27068, 27872, 32320, 33835, 34840, 42016, 52520, 54136, 55744, 67670, 69680, 84032, 87971, 105040, 108272, 135340, 139360, 175942, 210080, 216544, 270680, 278720, 351884, 420160, 433088, 439855, 541360, 703768, 879710, 1082720, 1407536, 1759420, 2165440, 2815072, 3518840, 5630144, 7037680, 14075360, 28150720]

約数ペア:

[(1, 28150720), (2, 14075360), (4, 7037680), (5, 5630144), (8, 3518840), (10, 2815072), (13, 2165440), (16, 1759420), (20, 1407536), (26, 1082720), (32, 879710), (40, 703768), (52, 541360), (64, 439855), (65, 433088), (67, 420160), (80, 351884), (101, 278720), (104, 270680), (130, 216544), (134, 210080), (160, 175942), (202, 139360), (208, 135340), (260, 108272), (268, 105040), (320, 87971), (335, 84032), (404, 69680), (416, 67670), (505, 55744), (520, 54136), (536, 52520), (670, 42016), (808, 34840), (832, 33835), (871, 32320), (1010, 27872), (1040, 27068), (1072, 26260), (1313, 21440), (1340, 21008), (1616, 17420), (1742, 16160), (2020, 13936), (2080, 13534), (2144, 13130), (2626, 10720), (2680, 10504), (3232, 8710), (3484, 8080), (4040, 6968), (4160, 6767), (4288, 6565), (4355, 6464), (5252, 5360)]