51485720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9001}}^1$

素因数の和:9036

約数の個数: 64

約数和(自身を含む): 136110240

約数和(自身を除く): 84624520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 9001, 18002, 36004, 45005, 72008, 90010, 99011, 117013, 180020, 198022, 234026, 360040, 396044, 468052, 495055, 585065, 792088, 936104, 990110, 1170130, 1287143, 1980220, 2340260, 2574286, 3960440, 4680520, 5148572, 6435715, 10297144, 12871430, 25742860, 51485720]

約数ペア:

[(1, 51485720), (2, 25742860), (4, 12871430), (5, 10297144), (8, 6435715), (10, 5148572), (11, 4680520), (13, 3960440), (20, 2574286), (22, 2340260), (26, 1980220), (40, 1287143), (44, 1170130), (52, 990110), (55, 936104), (65, 792088), (88, 585065), (104, 495055), (110, 468052), (130, 396044), (143, 360040), (220, 234026), (260, 198022), (286, 180020), (440, 117013), (520, 99011), (572, 90010), (715, 72008), (1144, 45005), (1430, 36004), (2860, 18002), (5720, 9001)]