129668120

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{5237}}^1$

素因数の和:5867

約数の個数: 32

約数和(自身を含む): 292280400

約数和(自身を除く): 162612280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 2476, 3095, 4952, 5237, 6190, 10474, 12380, 20948, 24760, 26185, 41896, 52370, 104740, 209480, 3241703, 6483406, 12966812, 16208515, 25933624, 32417030, 64834060, 129668120]

約数ペア:

[(1, 129668120), (2, 64834060), (4, 32417030), (5, 25933624), (8, 16208515), (10, 12966812), (20, 6483406), (40, 3241703), (619, 209480), (1238, 104740), (2476, 52370), (3095, 41896), (4952, 26185), (5237, 24760), (6190, 20948), (10474, 12380)]