28080208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1063}}^1$

素因数の和:1211

約数の個数: 40

約数和(自身を含む): 59107328

約数和(自身を除く): 31027120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1063, 1651, 2032, 2126, 3302, 4252, 6604, 8504, 13208, 13819, 17008, 26416, 27638, 55276, 110552, 135001, 221104, 270002, 540004, 1080008, 1755013, 2160016, 3510026, 7020052, 14040104, 28080208]

約数ペア:

[(1, 28080208), (2, 14040104), (4, 7020052), (8, 3510026), (13, 2160016), (16, 1755013), (26, 1080008), (52, 540004), (104, 270002), (127, 221104), (208, 135001), (254, 110552), (508, 55276), (1016, 27638), (1063, 26416), (1651, 17008), (2032, 13819), (2126, 13208), (3302, 8504), (4252, 6604)]