16712980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6379}}^1$

素因数の和:6519

約数の個数: 24

約数和(自身を含む): 35370720

約数和(自身を除く): 18657740

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6379, 12758, 25516, 31895, 63790, 127580, 835649, 1671298, 3342596, 4178245, 8356490, 16712980]

約数ペア:

[(1, 16712980), (2, 8356490), (4, 4178245), (5, 3342596), (10, 1671298), (20, 835649), (131, 127580), (262, 63790), (524, 31895), (655, 25516), (1310, 12758), (2620, 6379)]