6631420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1321}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 13992048

約数和(自身を除く): 7360628

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 1321, 2510, 2642, 5020, 5284, 6605, 13210, 26420, 331571, 663142, 1326284, 1657855, 3315710, 6631420]

約数ペア:

[(1, 6631420), (2, 3315710), (4, 1657855), (5, 1326284), (10, 663142), (20, 331571), (251, 26420), (502, 13210), (1004, 6605), (1255, 5284), (1321, 5020), (2510, 2642)]