78594020

素因数分解:

$2^2\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{2789}}^1$

素因数の和:4207

約数の個数: 24

約数和(自身を含む): 165223800

約数和(自身を除く): 86629780

約数列:

[1, 2, 4, 5, 10, 20, 1409, 2789, 2818, 5578, 5636, 7045, 11156, 13945, 14090, 27890, 28180, 55780, 3929701, 7859402, 15718804, 19648505, 39297010, 78594020]

約数ペア:

[(1, 78594020), (2, 39297010), (4, 19648505), (5, 15718804), (10, 7859402), (20, 3929701), (1409, 55780), (2789, 28180), (2818, 27890), (5578, 14090), (5636, 13945), (7045, 11156)]