67539440

素因数分解:

$2^4\times 5^1\times {\mathrm{844243}}^1$

素因数の和:844256

約数の個数: 20

約数和(自身を含む): 157029384

約数和(自身を除く): 89489944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 844243, 1688486, 3376972, 4221215, 6753944, 8442430, 13507888, 16884860, 33769720, 67539440]

約数ペア:

[(1, 67539440), (2, 33769720), (4, 16884860), (5, 13507888), (8, 8442430), (10, 6753944), (16, 4221215), (20, 3376972), (40, 1688486), (80, 844243)]