1139440

素因数分解:

$2^4\times 5^1\times {\mathrm{14243}}^1$

素因数の和:14256

約数の個数: 20

約数和(自身を含む): 2649384

約数和(自身を除く): 1509944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 14243, 28486, 56972, 71215, 113944, 142430, 227888, 284860, 569720, 1139440]

約数ペア:

[(1, 1139440), (2, 569720), (4, 284860), (5, 227888), (8, 142430), (10, 113944), (16, 71215), (20, 56972), (40, 28486), (80, 14243)]