124251280

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14249}}^1$

素因数の和:14371

約数の個数: 40

約数和(自身を含む): 291555000

約数和(自身を除く): 167303720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 14249, 28498, 56996, 71245, 113992, 142490, 227984, 284980, 569960, 1139920, 1553141, 3106282, 6212564, 7765705, 12425128, 15531410, 24850256, 31062820, 62125640, 124251280]

約数ペア:

[(1, 124251280), (2, 62125640), (4, 31062820), (5, 24850256), (8, 15531410), (10, 12425128), (16, 7765705), (20, 6212564), (40, 3106282), (80, 1553141), (109, 1139920), (218, 569960), (436, 284980), (545, 227984), (872, 142490), (1090, 113992), (1744, 71245), (2180, 56996), (4360, 28498), (8720, 14249)]