27529840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 69870528

約数和(自身を除く): 42340688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 206, 208, 257, 260, 412, 514, 515, 520, 824, 1028, 1030, 1040, 1285, 1339, 1648, 2056, 2060, 2570, 2678, 3341, 4112, 4120, 5140, 5356, 6682, 6695, 8240, 10280, 10712, 13364, 13390, 16705, 20560, 21424, 26471, 26728, 26780, 33410, 52942, 53456, 53560, 66820, 105884, 107120, 132355, 133640, 211768, 264710, 267280, 344123, 423536, 529420, 688246, 1058840, 1376492, 1720615, 2117680, 2752984, 3441230, 5505968, 6882460, 13764920, 27529840]

約数ペア:

[(1, 27529840), (2, 13764920), (4, 6882460), (5, 5505968), (8, 3441230), (10, 2752984), (13, 2117680), (16, 1720615), (20, 1376492), (26, 1058840), (40, 688246), (52, 529420), (65, 423536), (80, 344123), (103, 267280), (104, 264710), (130, 211768), (206, 133640), (208, 132355), (257, 107120), (260, 105884), (412, 66820), (514, 53560), (515, 53456), (520, 52942), (824, 33410), (1028, 26780), (1030, 26728), (1040, 26471), (1285, 21424), (1339, 20560), (1648, 16705), (2056, 13390), (2060, 13364), (2570, 10712), (2678, 10280), (3341, 8240), (4112, 6695), (4120, 6682), (5140, 5356)]