4874420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{971}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 10287648

約数和(自身を除く): 5413228

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 971, 1004, 1255, 1942, 2510, 3884, 4855, 5020, 9710, 19420, 243721, 487442, 974884, 1218605, 2437210, 4874420]

約数ペア:

[(1, 4874420), (2, 2437210), (4, 1218605), (5, 974884), (10, 487442), (20, 243721), (251, 19420), (502, 9710), (971, 5020), (1004, 4855), (1255, 3884), (1942, 2510)]