71020360

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1601}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 160039800

約数和(自身を除く): 89019440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 1601, 2218, 3202, 4436, 5545, 6404, 8005, 8872, 11090, 12808, 16010, 22180, 32020, 44360, 64040, 1775509, 3551018, 7102036, 8877545, 14204072, 17755090, 35510180, 71020360]

約数ペア:

[(1, 71020360), (2, 35510180), (4, 17755090), (5, 14204072), (8, 8877545), (10, 7102036), (20, 3551018), (40, 1775509), (1109, 64040), (1601, 44360), (2218, 32020), (3202, 22180), (4436, 16010), (5545, 12808), (6404, 11090), (8005, 8872)]