51790960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2666

約数の個数: 80

約数和(自身を含む): 136553760

約数和(自身を除く): 84762800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 2621, 3952, 4940, 5242, 9880, 10484, 13105, 19760, 20968, 26210, 34073, 41936, 49799, 52420, 68146, 99598, 104840, 136292, 170365, 199196, 209680, 248995, 272584, 340730, 398392, 497990, 545168, 647387, 681460, 796784, 995980, 1294774, 1362920, 1991960, 2589548, 2725840, 3236935, 3983920, 5179096, 6473870, 10358192, 12947740, 25895480, 51790960]

約数ペア:

[(1, 51790960), (2, 25895480), (4, 12947740), (5, 10358192), (8, 6473870), (10, 5179096), (13, 3983920), (16, 3236935), (19, 2725840), (20, 2589548), (26, 1991960), (38, 1362920), (40, 1294774), (52, 995980), (65, 796784), (76, 681460), (80, 647387), (95, 545168), (104, 497990), (130, 398392), (152, 340730), (190, 272584), (208, 248995), (247, 209680), (260, 199196), (304, 170365), (380, 136292), (494, 104840), (520, 99598), (760, 68146), (988, 52420), (1040, 49799), (1235, 41936), (1520, 34073), (1976, 26210), (2470, 20968), (2621, 19760), (3952, 13105), (4940, 10484), (5242, 9880)]