5421220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{38723}}^1$

素因数の和:38739

約数の個数: 24

約数和(自身を含む): 13011264

約数和(自身を除く): 7590044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 38723, 77446, 154892, 193615, 271061, 387230, 542122, 774460, 1084244, 1355305, 2710610, 5421220]

約数ペア:

[(1, 5421220), (2, 2710610), (4, 1355305), (5, 1084244), (7, 774460), (10, 542122), (14, 387230), (20, 271061), (28, 193615), (35, 154892), (70, 77446), (140, 38723)]