64958440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{70607}}^1$

素因数の和:70641

約数の個数: 32

約数和(自身を含む): 152513280

約数和(自身を除く): 87554840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 70607, 141214, 282428, 353035, 564856, 706070, 1412140, 1623961, 2824280, 3247922, 6495844, 8119805, 12991688, 16239610, 32479220, 64958440]

約数ペア:

[(1, 64958440), (2, 32479220), (4, 16239610), (5, 12991688), (8, 8119805), (10, 6495844), (20, 3247922), (23, 2824280), (40, 1623961), (46, 1412140), (92, 706070), (115, 564856), (184, 353035), (230, 282428), (460, 141214), (920, 70607)]