516200080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1361}}^1$

素因数の和:1816

約数の個数: 80

約数和(自身を含む): 1313273088

約数和(自身を除く): 797073008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 431, 440, 862, 880, 1361, 1724, 2155, 2722, 3448, 4310, 4741, 5444, 6805, 6896, 8620, 9482, 10888, 13610, 14971, 17240, 18964, 21776, 23705, 27220, 29942, 34480, 37928, 47410, 54440, 59884, 74855, 75856, 94820, 108880, 119768, 149710, 189640, 239536, 299420, 379280, 586591, 598840, 1173182, 1197680, 2346364, 2932955, 4692728, 5865910, 6452501, 9385456, 11731820, 12905002, 23463640, 25810004, 32262505, 46927280, 51620008, 64525010, 103240016, 129050020, 258100040, 516200080]

約数ペア:

[(1, 516200080), (2, 258100040), (4, 129050020), (5, 103240016), (8, 64525010), (10, 51620008), (11, 46927280), (16, 32262505), (20, 25810004), (22, 23463640), (40, 12905002), (44, 11731820), (55, 9385456), (80, 6452501), (88, 5865910), (110, 4692728), (176, 2932955), (220, 2346364), (431, 1197680), (440, 1173182), (862, 598840), (880, 586591), (1361, 379280), (1724, 299420), (2155, 239536), (2722, 189640), (3448, 149710), (4310, 119768), (4741, 108880), (5444, 94820), (6805, 75856), (6896, 74855), (8620, 59884), (9482, 54440), (10888, 47410), (13610, 37928), (14971, 34480), (17240, 29942), (18964, 27220), (21776, 23705)]