57915520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6961}}^1$

素因数の和:6993

約数の個数: 64

約数和(自身を含む): 149126040

約数和(自身を除く): 91210520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 6961, 8320, 13922, 27844, 34805, 55688, 69610, 90493, 111376, 139220, 180986, 222752, 278440, 361972, 445504, 452465, 556880, 723944, 891008, 904930, 1113760, 1447888, 1809860, 2227520, 2895776, 3619720, 4455040, 5791552, 7239440, 11583104, 14478880, 28957760, 57915520]

約数ペア:

[(1, 57915520), (2, 28957760), (4, 14478880), (5, 11583104), (8, 7239440), (10, 5791552), (13, 4455040), (16, 3619720), (20, 2895776), (26, 2227520), (32, 1809860), (40, 1447888), (52, 1113760), (64, 904930), (65, 891008), (80, 723944), (104, 556880), (128, 452465), (130, 445504), (160, 361972), (208, 278440), (260, 222752), (320, 180986), (416, 139220), (520, 111376), (640, 90493), (832, 69610), (1040, 55688), (1664, 34805), (2080, 27844), (4160, 13922), (6961, 8320)]