67720208

素因数分解:

$2^4\times {\mathrm{1667}}^1\times {\mathrm{2539}}^1$

素因数の和:4214

約数の個数: 20

約数和(自身を含む): 131338320

約数和(自身を除く): 63618112

約数列:

[1, 2, 4, 8, 16, 1667, 2539, 3334, 5078, 6668, 10156, 13336, 20312, 26672, 40624, 4232513, 8465026, 16930052, 33860104, 67720208]

約数ペア:

[(1, 67720208), (2, 33860104), (4, 16930052), (8, 8465026), (16, 4232513), (1667, 40624), (2539, 26672), (3334, 20312), (5078, 13336), (6668, 10156)]