77769940

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{9697}}^1$

素因数の和:10107

約数の個数: 24

約数和(自身を含む): 163741032

約数和(自身を除く): 85971092

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 9697, 19394, 38788, 48485, 96970, 193940, 3888497, 7776994, 15553988, 19442485, 38884970, 77769940]

約数ペア:

[(1, 77769940), (2, 38884970), (4, 19442485), (5, 15553988), (10, 7776994), (20, 3888497), (401, 193940), (802, 96970), (1604, 48485), (2005, 38788), (4010, 19394), (8020, 9697)]