40229690

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{3121}}^1$

素因数の和:4417

約数の個数: 16

約数和(自身を含む): 72492840

約数和(自身を除く): 32263150

約数列:

[1, 2, 5, 10, 1289, 2578, 3121, 6242, 6445, 12890, 15605, 31210, 4022969, 8045938, 20114845, 40229690]

約数ペア:

[(1, 40229690), (2, 20114845), (5, 8045938), (10, 4022969), (1289, 31210), (2578, 15605), (3121, 12890), (6242, 6445)]