40311040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 120677760

約数和(自身を除く): 80366720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 409, 440, 448, 560, 616, 640, 704, 770, 818, 880, 896, 1120, 1232, 1280, 1408, 1540, 1636, 1760, 1792, 2045, 2240, 2464, 2816, 2863, 3080, 3272, 3520, 4090, 4480, 4499, 4928, 5726, 6160, 6544, 7040, 8180, 8960, 8998, 9856, 11452, 12320, 13088, 14080, 14315, 16360, 17996, 19712, 22495, 22904, 24640, 26176, 28630, 31493, 32720, 35992, 44990, 45808, 49280, 52352, 57260, 62986, 65440, 71984, 89980, 91616, 98560, 104704, 114520, 125972, 130880, 143968, 157465, 179960, 183232, 229040, 251944, 261760, 287936, 314930, 359920, 366464, 458080, 503888, 523520, 575872, 629860, 719840, 732928, 916160, 1007776, 1151744, 1259720, 1439680, 1832320, 2015552, 2519440, 2879360, 3664640, 4031104, 5038880, 5758720, 8062208, 10077760, 20155520, 40311040]

約数ペア:

[(1, 40311040), (2, 20155520), (4, 10077760), (5, 8062208), (7, 5758720), (8, 5038880), (10, 4031104), (11, 3664640), (14, 2879360), (16, 2519440), (20, 2015552), (22, 1832320), (28, 1439680), (32, 1259720), (35, 1151744), (40, 1007776), (44, 916160), (55, 732928), (56, 719840), (64, 629860), (70, 575872), (77, 523520), (80, 503888), (88, 458080), (110, 366464), (112, 359920), (128, 314930), (140, 287936), (154, 261760), (160, 251944), (176, 229040), (220, 183232), (224, 179960), (256, 157465), (280, 143968), (308, 130880), (320, 125972), (352, 114520), (385, 104704), (409, 98560), (440, 91616), (448, 89980), (560, 71984), (616, 65440), (640, 62986), (704, 57260), (770, 52352), (818, 49280), (880, 45808), (896, 44990), (1120, 35992), (1232, 32720), (1280, 31493), (1408, 28630), (1540, 26176), (1636, 24640), (1760, 22904), (1792, 22495), (2045, 19712), (2240, 17996), (2464, 16360), (2816, 14315), (2863, 14080), (3080, 13088), (3272, 12320), (3520, 11452), (4090, 9856), (4480, 8998), (4499, 8960), (4928, 8180), (5726, 7040), (6160, 6544)]