130989520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 318193920

約数和(自身を除く): 187204400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 131, 145, 232, 262, 290, 431, 464, 524, 580, 655, 862, 1048, 1160, 1310, 1724, 2096, 2155, 2320, 2620, 3448, 3799, 4310, 5240, 6896, 7598, 8620, 10480, 12499, 15196, 17240, 18995, 24998, 30392, 34480, 37990, 49996, 56461, 60784, 62495, 75980, 99992, 112922, 124990, 151960, 199984, 225844, 249980, 282305, 303920, 451688, 499960, 564610, 903376, 999920, 1129220, 1637369, 2258440, 3274738, 4516880, 6549476, 8186845, 13098952, 16373690, 26197904, 32747380, 65494760, 130989520]

約数ペア:

[(1, 130989520), (2, 65494760), (4, 32747380), (5, 26197904), (8, 16373690), (10, 13098952), (16, 8186845), (20, 6549476), (29, 4516880), (40, 3274738), (58, 2258440), (80, 1637369), (116, 1129220), (131, 999920), (145, 903376), (232, 564610), (262, 499960), (290, 451688), (431, 303920), (464, 282305), (524, 249980), (580, 225844), (655, 199984), (862, 151960), (1048, 124990), (1160, 112922), (1310, 99992), (1724, 75980), (2096, 62495), (2155, 60784), (2320, 56461), (2620, 49996), (3448, 37990), (3799, 34480), (4310, 30392), (5240, 24998), (6896, 18995), (7598, 17240), (8620, 15196), (10480, 12499)]