98917960

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{17791}}^1$

素因数の和:17941

約数の個数: 32

約数和(自身を含む): 224179200

約数和(自身を除く): 125261240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 17791, 35582, 71164, 88955, 142328, 177910, 355820, 711640, 2472949, 4945898, 9891796, 12364745, 19783592, 24729490, 49458980, 98917960]

約数ペア:

[(1, 98917960), (2, 49458980), (4, 24729490), (5, 19783592), (8, 12364745), (10, 9891796), (20, 4945898), (40, 2472949), (139, 711640), (278, 355820), (556, 177910), (695, 142328), (1112, 88955), (1390, 71164), (2780, 35582), (5560, 17791)]