71002280

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1627}}^1$

素因数の和:2729

約数の個数: 32

約数和(自身を含む): 159999840

約数和(自身を除く): 88997560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 1627, 2182, 3254, 4364, 5455, 6508, 8135, 8728, 10910, 13016, 16270, 21820, 32540, 43640, 65080, 1775057, 3550114, 7100228, 8875285, 14200456, 17750570, 35501140, 71002280]

約数ペア:

[(1, 71002280), (2, 35501140), (4, 17750570), (5, 14200456), (8, 8875285), (10, 7100228), (20, 3550114), (40, 1775057), (1091, 65080), (1627, 43640), (2182, 32540), (3254, 21820), (4364, 16270), (5455, 13016), (6508, 10910), (8135, 8728)]