7960340

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{643}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 16769760

約数和(自身を除く): 8809420

約数列:

[1, 2, 4, 5, 10, 20, 619, 643, 1238, 1286, 2476, 2572, 3095, 3215, 6190, 6430, 12380, 12860, 398017, 796034, 1592068, 1990085, 3980170, 7960340]

約数ペア:

[(1, 7960340), (2, 3980170), (4, 1990085), (5, 1592068), (10, 796034), (20, 398017), (619, 12860), (643, 12380), (1238, 6430), (1286, 6190), (2476, 3215), (2572, 3095)]