31388895740

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{541}}^1\times {\mathrm{13009}}^1$

素因数の和:13782

約数の個数: 48

約数和(自身を含む): 66339759360

約数和(自身を除く): 34950863620

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 541, 892, 1082, 1115, 2164, 2230, 2705, 4460, 5410, 10820, 13009, 26018, 52036, 65045, 120643, 130090, 241286, 260180, 482572, 603215, 1206430, 2412860, 2901007, 5802014, 7037869, 11604028, 14075738, 14505035, 28151476, 29010070, 35189345, 58020140, 70378690, 140757380, 1569444787, 3138889574, 6277779148, 7847223935, 15694447870, 31388895740]

約数ペア:

[(1, 31388895740), (2, 15694447870), (4, 7847223935), (5, 6277779148), (10, 3138889574), (20, 1569444787), (223, 140757380), (446, 70378690), (541, 58020140), (892, 35189345), (1082, 29010070), (1115, 28151476), (2164, 14505035), (2230, 14075738), (2705, 11604028), (4460, 7037869), (5410, 5802014), (10820, 2901007), (13009, 2412860), (26018, 1206430), (52036, 603215), (65045, 482572), (120643, 260180), (130090, 241286)]