2123195440

素因数分解:

$2^4\times 5^1\times {\mathrm{2971}}^1\times {\mathrm{8933}}^1$

素因数の和:11917

約数の個数: 40

約数和(自身を含む): 4938643728

約数和(自身を除く): 2815448288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2971, 5942, 8933, 11884, 14855, 17866, 23768, 29710, 35732, 44665, 47536, 59420, 71464, 89330, 118840, 142928, 178660, 237680, 357320, 714640, 26539943, 53079886, 106159772, 132699715, 212319544, 265399430, 424639088, 530798860, 1061597720, 2123195440]

約数ペア:

[(1, 2123195440), (2, 1061597720), (4, 530798860), (5, 424639088), (8, 265399430), (10, 212319544), (16, 132699715), (20, 106159772), (40, 53079886), (80, 26539943), (2971, 714640), (5942, 357320), (8933, 237680), (11884, 178660), (14855, 142928), (17866, 118840), (23768, 89330), (29710, 71464), (35732, 59420), (44665, 47536)]