68263420

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4219}}^1$

素因数の和:5037

約数の個数: 24

約数和(自身を含む): 143564400

約数和(自身を除く): 75300980

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 4219, 8090, 8438, 16180, 16876, 21095, 42190, 84380, 3413171, 6826342, 13652684, 17065855, 34131710, 68263420]

約数ペア:

[(1, 68263420), (2, 34131710), (4, 17065855), (5, 13652684), (10, 6826342), (20, 3413171), (809, 84380), (1618, 42190), (3236, 21095), (4045, 16876), (4219, 16180), (8090, 8438)]