212340804020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127916147}}^1$

素因数の和:127916239

約数の個数: 24

約数和(自身を含む): 451288170144

約数和(自身を除く): 238947366124

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 127916147, 255832294, 511664588, 639580735, 1279161470, 2558322940, 10617040201, 21234080402, 42468160804, 53085201005, 106170402010, 212340804020]

約数ペア:

[(1, 212340804020), (2, 106170402010), (4, 53085201005), (5, 42468160804), (10, 21234080402), (20, 10617040201), (83, 2558322940), (166, 1279161470), (332, 639580735), (415, 511664588), (830, 255832294), (1660, 127916147)]