17385532420

素因数分解:

$2^2\times 5^1\times {\mathrm{12821}}^1\times {\mathrm{67801}}^1$

素因数の和:80631

約数の個数: 24

約数和(自身を含む): 36513004248

約数和(自身を除く): 19127471828

約数列:

[1, 2, 4, 5, 10, 20, 12821, 25642, 51284, 64105, 67801, 128210, 135602, 256420, 271204, 339005, 678010, 1356020, 869276621, 1738553242, 3477106484, 4346383105, 8692766210, 17385532420]

約数ペア:

[(1, 17385532420), (2, 8692766210), (4, 4346383105), (5, 3477106484), (10, 1738553242), (20, 869276621), (12821, 1356020), (25642, 678010), (51284, 339005), (64105, 271204), (67801, 256420), (128210, 135602)]