8045782280

素因数分解:

$2^3\times 5^1\times {\mathrm{201144557}}^1$

素因数の和:201144568

約数の個数: 16

約数和(自身を含む): 18103010220

約数和(自身を除く): 10057227940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 201144557, 402289114, 804578228, 1005722785, 1609156456, 2011445570, 4022891140, 8045782280]

約数ペア:

[(1, 8045782280), (2, 4022891140), (4, 2011445570), (5, 1609156456), (8, 1005722785), (10, 804578228), (20, 402289114), (40, 201144557)]