25359280

素因数分解:

$2^4\times 5^1\times {\mathrm{316991}}^1$

素因数の和:317004

約数の個数: 20

約数和(自身を含む): 58960512

約数和(自身を除く): 33601232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 316991, 633982, 1267964, 1584955, 2535928, 3169910, 5071856, 6339820, 12679640, 25359280]

約数ペア:

[(1, 25359280), (2, 12679640), (4, 6339820), (5, 5071856), (8, 3169910), (10, 2535928), (16, 1584955), (20, 1267964), (40, 633982), (80, 316991)]