136240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:157

約数の個数: 40

約数和(自身を含む): 343728

約数和(自身を除く): 207488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 260, 262, 520, 524, 655, 1040, 1048, 1310, 1703, 2096, 2620, 3406, 5240, 6812, 8515, 10480, 13624, 17030, 27248, 34060, 68120, 136240]

約数ペア:

[(1, 136240), (2, 68120), (4, 34060), (5, 27248), (8, 17030), (10, 13624), (13, 10480), (16, 8515), (20, 6812), (26, 5240), (40, 3406), (52, 2620), (65, 2096), (80, 1703), (104, 1310), (130, 1048), (131, 1040), (208, 655), (260, 524), (262, 520)]