31175120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16943}}^1$

素因数の和:16979

約数の個数: 40

約数和(自身を含む): 75638016

約数和(自身を除く): 44462896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 16943, 33886, 67772, 84715, 135544, 169430, 271088, 338860, 389689, 677720, 779378, 1355440, 1558756, 1948445, 3117512, 3896890, 6235024, 7793780, 15587560, 31175120]

約数ペア:

[(1, 31175120), (2, 15587560), (4, 7793780), (5, 6235024), (8, 3896890), (10, 3117512), (16, 1948445), (20, 1558756), (23, 1355440), (40, 779378), (46, 677720), (80, 389689), (92, 338860), (115, 271088), (184, 169430), (230, 135544), (368, 84715), (460, 67772), (920, 33886), (1840, 16943)]