168800000020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101686747}}^1$

素因数の和:101686839

約数の個数: 24

約数和(自身を含む): 358750846944

約数和(自身を除く): 189950846924

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 101686747, 203373494, 406746988, 508433735, 1016867470, 2033734940, 8440000001, 16880000002, 33760000004, 42200000005, 84400000010, 168800000020]

約数ペア:

[(1, 168800000020), (2, 84400000010), (4, 42200000005), (5, 33760000004), (10, 16880000002), (20, 8440000001), (83, 2033734940), (166, 1016867470), (332, 508433735), (415, 406746988), (830, 203373494), (1660, 101686747)]