127859920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20231}}^1$

素因数の和:20323

約数の個数: 40

約数和(自身を含む): 301052160

約数和(自身を除く): 173192240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 20231, 40462, 80924, 101155, 161848, 202310, 323696, 404620, 809240, 1598249, 1618480, 3196498, 6392996, 7991245, 12785992, 15982490, 25571984, 31964980, 63929960, 127859920]

約数ペア:

[(1, 127859920), (2, 63929960), (4, 31964980), (5, 25571984), (8, 15982490), (10, 12785992), (16, 7991245), (20, 6392996), (40, 3196498), (79, 1618480), (80, 1598249), (158, 809240), (316, 404620), (395, 323696), (632, 202310), (790, 161848), (1264, 101155), (1580, 80924), (3160, 40462), (6320, 20231)]