8756987720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{24371}}^1$

素因数の和:25086

約数の個数: 64

約数和(自身を含む): 21250434240

約数和(自身を除く): 12493446520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 691, 1382, 2764, 3455, 5528, 6910, 8983, 13820, 17966, 24371, 27640, 35932, 44915, 48742, 71864, 89830, 97484, 121855, 179660, 194968, 243710, 316823, 359320, 487420, 633646, 974840, 1267292, 1584115, 2534584, 3168230, 6336460, 12672920, 16840361, 33680722, 67361444, 84201805, 134722888, 168403610, 218924693, 336807220, 437849386, 673614440, 875698772, 1094623465, 1751397544, 2189246930, 4378493860, 8756987720]

約数ペア:

[(1, 8756987720), (2, 4378493860), (4, 2189246930), (5, 1751397544), (8, 1094623465), (10, 875698772), (13, 673614440), (20, 437849386), (26, 336807220), (40, 218924693), (52, 168403610), (65, 134722888), (104, 84201805), (130, 67361444), (260, 33680722), (520, 16840361), (691, 12672920), (1382, 6336460), (2764, 3168230), (3455, 2534584), (5528, 1584115), (6910, 1267292), (8983, 974840), (13820, 633646), (17966, 487420), (24371, 359320), (27640, 316823), (35932, 243710), (44915, 194968), (48742, 179660), (71864, 121855), (89830, 97484)]