27948560

素因数分解:

$2^4\times 5^1\times {\mathrm{349357}}^1$

素因数の和:349370

約数の個数: 20

約数和(自身を含む): 64980588

約数和(自身を除く): 37032028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349357, 698714, 1397428, 1746785, 2794856, 3493570, 5589712, 6987140, 13974280, 27948560]

約数ペア:

[(1, 27948560), (2, 13974280), (4, 6987140), (5, 5589712), (8, 3493570), (10, 2794856), (16, 1746785), (20, 1397428), (40, 698714), (80, 349357)]